''Aliens'' is a text-only clone of ''

Space Invaders is a 1978 shoot 'em up arcade game developed by Tomohiro Nishikado. It was manufactured and sold by Taito in Japan, and licensed to the Midway division of Bally for overseas distribution. ''Space Invaders'' was the first fixed shooter an ...

'' written for the

CP/M operating system CP/M, originally standing for Control Program/Monitor and later Control Program for Microcomputers, is a mass-market operating system created in 1974 for Intel 8080/ 85-based microcomputers by Gary Kildall of Digital Research, Inc. Initial ...

and made to be operated on the early

Kaypro Kaypro Corporation was an American home and personal computer manufacturer based out of San Diego in the 1980s. The company was founded by Non-Linear Systems (NLS) to compete with the popular Osborne 1 portable microcomputer. Kaypro produced a ...

line of luggable computers. It was written by

Yahoo Software Yahoo Software was an early developer of computer software. During the 1980s, Yahoo Software created the games which were bundled with the early line of Kaypro "luggable" computers. These games include ''Ladder'', ''CatChum'', ''Aliens'' and ...

Los Angeles Los Angeles ( ; es, Los Ángeles, link=no , ), often referred to by its initials L.A., is the List of municipalities in California, largest city in the U.S. state, state of California and the List of United States cities by population, sec ...

California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the m ...

. Along with '' Star Trek'', ''

CatChum ''CatChum'' is a text-only clone of '' Pac-Man'' written for the CP/M operating system and made to be operated on the early Kaypro line of luggable computers. CatChum was made within the limitations of Kaypro's early text-only computers. As a res ...

'', and ''

Ladder A ladder is a vertical or inclined set of rungs or steps used for climbing or descending. There are two types: rigid ladders that are self-supporting or that may be leaned against a vertical surface such as a wall, and rollable ladders, such ...

'', ''Aliens'' was one of the games that came with the early Kaypro computers.

Gameplay

Screenshot The game runs in text mode; the aliens are made of letters and punctuation marks. Each level was given a name, displayed on top of the screen, such as "Blood Bath" and "We Come in Peace."

References

CP/M games Fixed shooters Video game clones Video games developed in the United States Video games with textual graphics {{fixed-shooter-videogame-stub