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''Roblox'' () is an online
game A game is a structured form of play, usually undertaken for entertainment or fun, and sometimes used as an educational tool. Many games are also considered to be work (such as professional players of spectator sports or games) or art (suc ...
platform and game creation system developed by Roblox Corporation that allows users to
program Program, programme, programmer, or programming may refer to: Business and management * Program management, the process of managing several related projects * Time management * Program, a part of planning Arts and entertainment Audio * Programm ...
games and play games created by other users. Created by David Baszucki and Erik Cassel in 2004 and released in 2006, the platform hosts user-created games of multiple genres coded in the
programming language A programming language is a system of notation for writing computer programs. Most programming languages are text-based formal languages, but they may also be graphical. They are a kind of computer language. The description of a programming ...
Lua. For most of ''Roblox''s history, it was relatively small, both as a platform and as a company. ''Roblox'' began to grow rapidly in the second half of the 2010s, and this growth has been accelerated by the
COVID-19 pandemic The COVID-19 pandemic, also known as the coronavirus pandemic, is an ongoing global pandemic of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The novel virus was first identi ...
. ''Roblox'' is free to play, with in-game purchases available through a virtual currency called Robux. As of August 2020, ''Roblox'' had over 164 million monthly active users, including more than half of all American children under 16. Although ''Roblox'' has received generally positive reviews from critics, it has faced criticism for its moderation,
microtransaction Microtransactions, often abbreviated as mtx, are a business model where users can purchase virtual goods with micropayments. Microtransactions are often used in free-to-play games to provide a revenue source for the developers. While microtransa ...
s, and exploitative practices directed toward children.


Overview


Roblox Studio

''Roblox'' allows players to create their own games using its proprietary engine, Roblox Studio, which can then be played by other users. Games (called "experiences" by the corporation) are made with an object-oriented & open-source programming language based on Lua, known as Luau. Users are able to create purchasable content through one-time purchases, known as "game passes", as well as
microtransaction Microtransactions, often abbreviated as mtx, are a business model where users can purchase virtual goods with micropayments. Microtransactions are often used in free-to-play games to provide a revenue source for the developers. While microtransa ...
s which can be purchased more than once, known as "developer products" or "products". The majority of games produced using Roblox Studio are developed by minors, and a total of 20 million games a year are produced using it.


Items and currency

''Roblox'' allows players to buy, sell, and create virtual items which can be used to decorate their virtual character that serves as their
avatar Avatar (, ; ), is a concept within Hinduism that in Sanskrit literally means "descent". It signifies the material appearance or incarnation of a powerful deity, goddess or spirit on Earth. The relative verb to "alight, to make one's appear ...
on the platform. Clothes can be bought by anyone, but only players with a Premium membership can sell them. Only ''Roblox'' administrators can sell accessories, body parts, gear, and packages under the official ''Roblox'' user account; virtual hats and accessories can also be published by a select few users with past experience working with Roblox Corporation. Several individuals design items as a full-time job, with the highest-earning creators making over $100,000 a year off item sales. Items with a limited edition status can only be traded between or sold by users with a Roblox Premium membership. Robux allows players to buy various items, and are obtained by purchase with real currency, from a recurring stipend given to members with a Premium membership, and from other players by producing and selling virtual content in ''Roblox''. Prior to 2016, ''Roblox'' had another currency, Tix (short for "Tickets"), that was discontinued in April of that year. Robux acquired through the sale of user-generated content can be exchanged into real-world currency through the website's Developer Exchange system. There are a sizable amount of scams relating to Robux, largely revolving around automated messages promoting scam websites, scam games designed to appear to give out free Robux, and invalid Robux codes.


Events

''Roblox'' occasionally hosts real-life and virtual events. They have in the past hosted events such as BloxCon, which was a convention for ordinary players on the platform. ''Roblox'' operates annual Easter egg hunts and also hosts an annual event called the “Bloxy Awards”, an awards ceremony that also functions as a fundraiser. The 2020 edition of the Bloxy Awards, held virtually on the platform, drew 600,000 viewers. Roblox Corporation annually hosts the Roblox Developers Conference, a three-day invite-only event in
San Francisco San Francisco (; Spanish for " Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the fourth most populous in California and 17t ...
where top content creators on the site learn of upcoming changes to the platform. The company has also hosted similar events in
London London is the capital and List of urban areas in the United Kingdom, largest city of England and the United Kingdom, with a population of just under 9 million. It stands on the River Thames in south-east England at the head of a estuary dow ...
and
Amsterdam Amsterdam ( , , , lit. ''The Dam on the River Amstel'') is the capital and most populous city of the Netherlands, with The Hague being the seat of government. It has a population of 907,976 within the city proper, 1,558,755 in the urban ar ...
. ''Roblox'' occasionally engages in events to promote films, such as ones held to promote '' Wonder Woman 1984'' and ''
Aquaman Aquaman is a superhero appearing in American comic books published by DC Comics. Created by Paul Norris and Mort Weisinger, the character debuted in '' More Fun Comics'' #73 (November 1941). The character is a pastiche of Namor. Initially a ...
''. In 2020, ''Roblox'' hosted its first virtual concert, which was compared by ''
Rolling Stone ''Rolling Stone'' is an American monthly magazine that focuses on music, politics, and popular culture. It was founded in San Francisco, California, in 1967 by Jann Wenner, and the music critic Ralph J. Gleason. It was first known for its ...
'' to that of American rapper Travis Scott's virtual concert in '' Fortnite'', during which American rapper Lil Nas X debuted his song "
Holiday A holiday is a day set aside by custom or by law on which normal activities, especially business or work including school, are suspended or reduced. Generally, holidays are intended to allow individuals to celebrate or commemorate an event or t ...
" to an audience of ''Roblox'' players. In 2021, Swedish singer
Zara Larsson Zara Maria Larsson (, ; born 16 December 1997) is a Swedish pop singer. In 2008, at the age of 10, she won the second season of the talent show '' Talang'', the Swedish version of the ''Got Talent'' format. Since then she has received recogni ...
performed songs at a virtual party to celebrate her the reissuing of her album '' Poster Girl''. On September 17, 2021, a virtual concert by the American band
Twenty One Pilots Twenty One Pilots (stylized in all lowercase or as twenty øne piløts) are an American musical duo from Columbus, Ohio. Initially a band, the group was formed in 2009 by lead vocalist Tyler Joseph along with Nick Thomas and Chris Salih, who ...
took place. In October 2021, Roblox partnered with Chipotle Mexican Grill to give $1 million of burritos away to the first 30,000 people every day as a part of Chipotle's Halloween Boorito promotion.


History and development

The beta version of ''Roblox'' was created by co-founders David Baszucki and Erik Cassel in 2004 under the name ''DynaBlocks''. Baszucki started testing the first demos that year. In 2005, the company changed its name to ''Roblox'', and it officially launched on September 1, 2006. In March 2007, ''Roblox'' became compliant with COPPA, with the addition of safe chat, a change that limited the communication ability of users under the age of 13 by restricting them to selecting predefined messages from a menu. In August, ''Roblox'' applied server improvements and released a premium membership service named "Builders Club". This paid membership feature was rebranded as Roblox Premium in September 2019. In December 2011, ''Roblox'' held its first Hack Week, an annual event where ''Roblox'' developers work on outside-the-box ideas for new developments to present to the company. On December 11, 2012, an iOS version of ''Roblox'' was released, and on July 16, 2014, an Android version was released. On October 1, 2013, ''Roblox'' released its Developer Exchange program, allowing developers to exchange Robux earned from their games into real-world currencies. On May 31, 2015, a feature called 'Smooth Terrain' was added, increasing the graphical fidelity of the terrain and changing the physics engine from a block-oriented style to a smoother and more realistic one. On November 20, ''Roblox'' was launched on
Xbox One The Xbox One is a home video game console developed by Microsoft. Announced in May 2013, it is the successor to Xbox 360 and the third base console in the Xbox series of video game consoles. It was first released in North America, parts of ...
, with an initial selection of 15 games chosen by ''Roblox'' staff. New ''Roblox'' games for the Xbox One have to go through an approval process and are subject to the Entertainment Software Ratings Board standards. In April 2016, ''Roblox'' launched ''Roblox VR'' for Oculus Rift. At the time of release, more than ten million games were available in 3D. Around the same time period, the safe chat feature was removed and replaced by a system based on a whitelist with a set of acceptable words for users under 13 years old and a set of
blacklist Blacklisting is the action of a group or authority compiling a blacklist (or black list) of people, countries or other entities to be avoided or distrusted as being deemed unacceptable to those making the list. If someone is on a blacklist, ...
ed words for other users. In June, the company launched a version compatible with
Windows 10 Windows 10 is a major release of Microsoft's Windows NT operating system. It is the direct successor to Windows 8.1, which was released nearly two years earlier. It was released to manufacturing on July 15, 2015, and later to retail on ...
. While the game platform has had a presence on the PC since 2004, when its web version was created, this was the first time it was upgraded with a standalone launcher built for Windows. Throughout 2017, ''Roblox'' engaged in a number of updates to its server technology, as the technology they were operating on until that point was out of date and led to frequent outages. Also in 2017, Roblox closed its official forums. In November 2018, the ability for a player to play as a "guest", without an account, which had been progressively restricted over the previous two years, was removed entirely. In July 2020, ''Roblox'' announced the creation of “Party Place”, which functions as an online hangout. The feature was created using new technology that had been used during the 2020 Bloxy Awards and was designed in response to the COVID-19 pandemic. ''Roblox'' was granted permission to release in China on December 3, 2020. In October 2021, ''Roblox'' experienced its longest
downtime The term downtime is used to refer to periods when a system is unavailable. The unavailability is the proportion of a time-span that a system is unavailable or offline. This is usually a result of the system failing to function because of an un ...
to date, with services being unavailable for three days. In July 2022, a 4 GB archive of internal documents related to the platform's creators, including personal data, were leaked by an unidentified hacker. Roblox stated, "…these stolen documents were illegally obtained as part of an extortion scheme that we refused to cooperate with." In September 2022, Roblox Corporation announced that it planned to add an age rating system, which would allow for moderate portrayals of violence in worlds flagged as suitable for users 13 and over. The company stated that it was wanting to increase the platform's appeal to a
young adult A young adult is generally a person in the years following adolescence. Definitions and opinions on what qualifies as a young adult vary, with works such as Erik Erikson's stages of human development significantly influencing the definition of ...
audience of users 17–24, which it stated was its fastest-growing cohort.


Community and culture


Activism

Users of ''Roblox'' have been noted for their efforts against
racism Racism is the belief that groups of humans possess different behavioral traits corresponding to inherited attributes and can be divided based on the superiority of one race over another. It may also mean prejudice, discrimination, or antagoni ...
, with numerous regular users and co-founder Baszucki having declared their support for the
George Floyd protests The George Floyd protests were a series of protests and civil unrest against police brutality and racism that began in Minneapolis on May 26, 2020, and largely took place during 2020. The civil unrest and protests began as part of internat ...
and
Black Lives Matter Black Lives Matter (abbreviated BLM) is a decentralized political and social movement that seeks to highlight racism, discrimination, and racial inequality experienced by black people. Its primary concerns are incidents of police bruta ...
. In August 2019, an investigation by
NBC News NBC News is the news division of the American broadcast television network NBC. The division operates under NBCUniversal Television and Streaming, a division of NBCUniversal, which is, in turn, a subsidiary of Comcast. The news division's v ...
revealed over 100 accounts linked to
far-right Far-right politics, also referred to as the extreme right or right-wing extremism, are political beliefs and actions further to the right of the left–right political spectrum than the standard political right, particularly in terms of being ...
and
neo-Nazi Neo-Nazism comprises the post–World War II militant, social, and political movements that seek to revive and reinstate Nazi ideology. Neo-Nazis employ their ideology to promote hatred and racial supremacy (often white supremacy), attack ...
groups. After being contacted about the accounts by NBC, ''Roblox'' moderators removed them.


Effects of the COVID-19 pandemic

The
COVID-19 pandemic The COVID-19 pandemic, also known as the coronavirus pandemic, is an ongoing global pandemic of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The novel virus was first identi ...
has affected ''Roblox'' in numerous ways. Due to quarantines imposed by the pandemic limiting social interaction, ''Roblox'' is being used as a way for children to communicate with each other. One of the most noted ways that this method of communication is being carried out is the phenomenon of birthday parties being held on the platform. COVID-19 has caused a substantial increase in both the platform's revenue and the number of players on it, in line with similar effects experienced by the majority of the gaming industry, as players forced to remain indoors due to
COVID-19 lockdowns Due to the COVID-19 pandemic, a number of non-pharmaceutical interventions colloquially known as lockdowns (encompassing stay-at-home orders, curfews, quarantines, and similar societal restrictions) have been implemented in numerous countri ...
spent more time playing video games.


"Oof" sound effect

From its release until November 2020, ''Roblox''s sound effect for when a character dies was an "oof" sound, which became a substantial part of the platform's reputation due to its status as a
meme A meme ( ) is an idea, behavior, or style that spreads by means of imitation from person to person within a culture and often carries symbolic meaning representing a particular phenomenon or theme. A meme acts as a unit for carrying cultural ...
. The sound was originally produced by the studio of video game composer
Tommy Tallarico Tommy Tallarico (born Thomas Andrew Tallarico; February 18, 1968) is an American video game music composer, musician, sound designer, television personality, live show creative director and producer. He and his company, Tommy Tallarico Studio ...
for the 2000 video game ''
Messiah In Abrahamic religions, a messiah or messias (; , ; , ; ) is a saviour or liberator of a group of people. The concepts of '' mashiach'', messianism, and of a Messianic Age originated in Judaism, and in the Hebrew Bible, in which a ''mashiach ...
'', and he and ''Roblox'' entered into a copyright dispute. The dispute ended in 2022 when ''Roblox'' pulled the sound from their platform and replaced it with a new sound effect.


Reception and revenue


Critical reception

''Roblox'' has generally received positive reviews.
Common Sense Media Common Sense Media (CSM) is an organization that reviews and provides ratings for media and technology with the goal of providing information on their suitability for children.
gave it 4 out of 5 stars, praising the website's variety of games and ability to encourage creativity in children while finding that the decentralized nature of the platform meant game quality varied, and recommended disabling chat functions for young players to prevent possibly harmful interactions. Patricia E. Vance of the
Family Online Safety Institute The Family Online Safety Institute (FOSI) is an international nonprofit organization. It is registered as a 501(c)(3) tax-deductible nonprofit charity in the United States and a registered charity in the United Kingdom. FOSI was founded in Febr ...
advised parents to monitor their child's interactions on the platform but praised the platform for "…allowing kids to play, explore, socialize, create and learn in a self-directed way", and granting special praise to Roblox Studio for its ability to encourage children to experience game development. ''
Trusted Reviews ''Trusted Reviews'' is a web publication focused on technology, published in London, UK by Incisive Media. History Trusted Reviews was founded in 2003 by Hugh Chappell and Riyad Emeran as a response to the decline in sales of computer review ...
'', in its overview of the platform, also praised Roblox Studio, stating that “for anyone seeking to develop their computer science skills, or create projects that will instantly receive feedback from a huge audience, the appeal is obvious”. Craig Hurda, writing in ''Android Guys'', gave a more moderate review, praising the number of games available and finding that the game was entertaining for children, while also finding that the platform's audio was "hit-or-miss" and declaring that it had limited appeal for adult players.


Criticism

''Roblox'' has received widespread criticism for its chat filtration system. Although ''Roblox''s filtration system, Community Sift, censors and removes most inappropriate messages and content, some can still avoid the system. To combat these issues, ''Roblox'' has 1,600 people working to remove such content from the platform. ''Roblox'' offers privacy settings; parents can limit what people a user can contact, restrict access to private servers, and turn on
parental controls Parental controls are features which may be included in digital television services, computers and video games, mobile devices and software that allow parents to restrict the access of content to their children. These controls were created to ...
. Though sexual content is prohibited on ''Roblox'', the platform has received substantial criticism for the presence of sexually explicit games and imagery within it. This content includes items like virtual
sex clubs Sex clubs, also known as swinger clubs or lifestyle clubs, are formal or informal groups that organize sex-related activities, or establishments where patrons can engage in sex acts with other patrons. A sex club or swinger club differs from a br ...
and nightclubs, with creators of said content largely communicating through third-party platforms which cannot be regulated by ''Roblox'' moderators. Such spaces on ''Roblox'' are often called "condos" and there is a constant effort in taking those places down. A 2020 investigation by ''
Fast Company ''Fast Company'' is a monthly American business magazine published in print and online that focuses on technology, business, and design. It publishes six print issues per year. History ''Fast Company'' was launched in November 1995 by Alan Web ...
'' found that sexual content was still prevalent within ''Roblox'', with attempts by moderators to remove it being likened to "whack-a-mole", though it was also found that the situation had generally improved in the recent years prior to the report. Some
extremist Extremism is "the quality or state of being extreme" or "the advocacy of extreme measures or views". The term is primarily used in a political or religious sense to refer to an ideology that is considered (by the speaker or by some implied share ...
role-playing communities and scenarios present in ''Roblox'' have caused controversy. ''Roblox'' has also been criticised for making it easy for children to spend large sums of money through
microtransactions Microtransactions, often abbreviated as mtx, are a business model where users can purchase virtual goods with micropayments. Microtransactions are often used in free-to-play games to provide a revenue source for the developers. While microtransact ...
, leading to numerous instances where children have spent large sums of money on the platform without parents' knowledge, and deleting the accounts of players who file chargebacks or request refunds for Robux payments through their banks, card issuers or other third-party companies. Professor Jane Juffer at
Cornell University Cornell University is a private statutory land-grant research university based in Ithaca, New York. It is a member of the Ivy League. Founded in 1865 by Ezra Cornell and Andrew Dickson White, Cornell was founded with the intention to tea ...
accused ''Roblox'' of encouraging
consumerism Consumerism is a social and economic order that encourages the acquisition of goods and services in ever-increasing amounts. With the Industrial Revolution, but particularly in the 20th century, mass production led to overproduction—the su ...
in children. ''Roblox'' has been accused by the
investigative journalism Investigative journalism is a form of journalism in which reporters deeply investigate a single topic of interest, such as serious crimes, political corruption, or corporate wrongdoing. An investigative journalist may spend months or years res ...
YouTube YouTube is a global online video sharing and social media platform headquartered in San Bruno, California. It was launched on February 14, 2005, by Steve Chen, Chad Hurley, and Jawed Karim. It is owned by Google, and is the second mo ...
channel ''
People Make Games ''People Make Games'' (PMG) is a British investigative video game journalism YouTube channel. The channel focuses on the developers and people who make video games. ''People Make Games'' has reported on topics like video game crunch, outsourc ...
'' of " exploiting" child game developers by promising them huge amounts of money when they monetize their games, while only giving them little to no money in return by having high revenue cuts, an exchange rate in selling Robux lower than the rate for buying Robux, and lack of methods to make their games easily discoverable. This was likened to
company scrip Company scrip is scrip (a substitute for government-issued legal tender or currency) issued by a company to pay its employees. It can only be exchanged in company stores owned by the employers. In the United Kingdom, such truck systems have l ...
. In a discussion with '' Axios'', ''Roblox’s''
chief product officer A chief product officer (CPO), sometimes known as head of product, is a corporate title referring to an executive responsible for various product-related activities in an organization. The CPO is to the business's product what the CTO is to techno ...
(CPO) Manuel Bronstein responded by saying that ''Roblox'' intends to give more money to its community developers. After ''Roblox'' requested the channel to take down the video, ''
People Make Games ''People Make Games'' (PMG) is a British investigative video game journalism YouTube channel. The channel focuses on the developers and people who make video games. ''People Make Games'' has reported on topics like video game crunch, outsourc ...
'' released further accusations of practices endangering
child safety Child protection is the safeguarding of children from violence, exploitation, abuse, and neglect. Article 19 of the UN Convention on the Rights of the Child provides for the protection of children in and out of the home. One of the ways to e ...
, such as a lack of oversight of developers and a method for people to address developer abuse, leading to child developers being exploited for labor on third-party platforms, allowing a developer to seemingly continue monetizing and having control of game development despite having their personal account banned for reportedly sexually preying on a child, and running the collectibles market to function like
gambling Gambling (also known as betting or gaming) is the wagering of something of value ("the stakes") on a random event with the intent of winning something else of value, where instances of strategy are discounted. Gambling thus requires three ele ...
, refusing to help a developer whose account was hacked and had its collectibles and assets stolen and encouraging children to seek unofficial and unsafe trading sites to easily obtain highly-valuable items. In April 2022, Truth in Advertising filed a complaint against ''Roblox'' with the
Federal Trade Commission The Federal Trade Commission (FTC) is an independent agency of the United States government whose principal mission is the enforcement of civil (non-criminal) antitrust law and the promotion of consumer protection. The FTC shares jurisdiction o ...
for deceptive marketing. In an October 2022 interview, Roblox Chief Scientist Morgan McGuire stated that it's "a challenge to moderate 3D," and also compared moderating ''Roblox'' to shutting down speakeasys.


Games

Due to its status as a games platform, ''Roblox'' has a variety of popular games. As of May 2020, the most popular games on ''Roblox'' had over 10 million monthly active players each. As of August 2020, at least 20 games had been played more than one billion times, and at least 5,000 have been played more than one million times. ''
TechCrunch TechCrunch is an American online newspaper An online newspaper (or electronic news or electronic news publication) is the online version of a newspaper, either as a stand-alone publication or as the online version of a printed periodical. Goi ...
'' noted in March 2021 that ''Roblox'' games are largely distinct from established traditions in
free-to-play Free-to-play (F2P or FtP) video games are games that give players access to a significant portion of their content without paying or do not require paying to continue playing. Free-to-play is distinct from traditional commercial software, which ...
video games, finding that successful ''Roblox'' games were geared towards immediate satisfaction, and finding that the addition of tutorials significantly decreased player engagement, contrary to established wisdom about free-to-play games.


Revenue

During the 2017 Roblox Developers Conference, officials said that creators on the game platform, of which there were about 1.7 million as of 2017, collectively earned at least $30 million in 2017. The iOS version of ''Roblox'' passed $1 billion of lifetime revenue in November 2019,. $1.5 billion in June 2020, and $2 billion in October 2020, making it the iOS app with the second-highest revenue. Several individual games on ''Roblox'' have accumulated revenues of over $10 million, while developers as a whole on the platform were collectively projected to have earned around $250 million over the course of 2020. It became the third highest-grossing game of 2020, with a revenue of , below the
Tencent Tencent Holdings Ltd. () is a Chinese multinational technology and entertainment conglomerate and holding company headquartered in Shenzhen. It is one of the highest grossing multimedia companies in the world based on revenue. It is also the wo ...
titles '' PUBG'' and '' Honor of Kings''.


Toy lines

In January 2017, toy fabricator Jazwares partnered with Roblox Corporation to produce toy minifigures based on
user-generated content User-generated content (UGC), alternatively known as user-created content (UCC), is any form of content, such as images, videos, text, testimonials, and audio, that has been posted by users on online platforms such as social media, discussion f ...
created by developers on the platform. The minifigures have limbs and joints similar to that of
Lego minifigure A Lego minifigure, commonly referred to as a minifig, is a small plastic articulated figurine produced by Danish toy manufacturer The Lego Group. They were first produced in 1978 and have been a success, with over 4 billion produced worldwide ...
s, though they are about twice the size. The minifigures have limbs and accessories that are interchangeable. The sets included a code that was used to redeem virtual items, as well as blind boxes that contained random minifigures. In 2019, Roblox Corporation released a new line of toys, branded the "Roblox Desktop" series. On April 13, 2021, Roblox partnered with
Hasbro Hasbro, Inc. (; a syllabic abbreviation of its original name, Hassenfeld Brothers) is an American multinational conglomerate holding company incorporated and headquartered in Pawtucket, Rhode Island. Hasbro owns the trademarks and products of K ...
to release Roblox-themed Nerf guns and a Roblox-themed ''
Monopoly A monopoly (from Greek language, Greek el, μόνος, mónos, single, alone, label=none and el, πωλεῖν, pōleîn, to sell, label=none), as described by Irving Fisher, is a market with the "absence of competition", creating a situati ...
'' edition.


References


External links

* {{Authority control 2006 video games Android (operating system) games Free online games Internet memes introduced in the 2010s Internet properties established in 2006 IOS games Lua (programming language)-scripted video games Lua (programming language)-scriptable game engines MacOS games Massively multiplayer online games Active massively multiplayer online games Virtual world communities Online games Social simulation video games Windows games Xbox One games Video game engines Video game development software Video games developed in the United States