
Epyx, Inc. was a video game developer and publisher active in the late 1970s and 1980s. The company was founded as Automated Simulations by Jim Connelley and Jon Freeman, originally using Epyx as a brand name for action-oriented games before renaming the company to match in 1983. Epyx published a long series of games through the 1980s. The company went bankrupt in 1989 before finally disappearing in 1993.

4x4 Off-Road Racing is a video game of the racing genre released in 1988 by Epyx and developed by Ogdan Micro Design Inc. The four maps consist of Mud, Ice, Desert and Mountains.

Alien Garden is a non-game for the Atari 8-bit family published by Epyx in 1982 by Bernie DeKoven and programmed by virtual reality pioneer Jaron Lanier. Designed with an emphasis on the need for experimentation, Alien Garden was described by its creators as an art game, and ranks among the earliest art games. Its release predates Lanier's Moondust by a year.

Armor Assault is a video game written by John Weber for the Atari 8-bit family and published in 1982 by Automated Simulations. It is a game in which tactical level armor warfare is simulated between NATO and Soviet forces.

Ballblazer is a 1984 futuristic sports game created by Lucasfilm Games. It was originally released for the Atari 8-bit family, then ported to the Atari 5200, Apple II, ZX Spectrum, Amstrad CPC, Commodore 64, MSX. and later the Atari 7800 and the Nintendo Famicom. The game was called Ballblaster during development; pirated versions of the game went by this name as well. The principal creator and programmer of Ballblazer was David Levine.

Barbarian II: The Dungeon of Drax is a video game first published in 1988 for various home computers. It was also released as Axe of Rage in North America. The game is the sequel to Barbarian: The Ultimate Warrior, which was published in 1987. In Barbarian II, the player controls a princess or barbarian character, exploring the game world to locate and defeat an evil wizard. The game's plot is an extension of its predecessor, although the gameplay is different. While the first game offers two players the opportunity for virtual head-to-head combat, the second is solely a single-player adventure with fewer fighting moves.

Barbarian: The Ultimate Warrior is a video game first released for Commodore 64 personal computers in 1987; the title was developed and published by Palace Software, and ported to other computers in the following months. The developers licensed the game to Epyx, who published it as Death Sword in the United States. Barbarian is a fighting game that gives players control over sword-wielding barbarians. In the game's two-player mode, players pit their characters against each other. Barbarian also has a single-player mode, in which the player's barbarian braves a series of challenges set by an evil wizard to rescue a princess.

Blue Lightning is a 1989 combat flight simulation video game developed by Epyx and published by Atari Corporation in North America and Europe exclusively for the Atari Lynx. It was also released in Japan on December 1 of the same year, where it was instead distributed by Mumin Corporation. It was one of the launch titles that were released along with the system in North America and was jointly written by Stephen Landrum, lead programmer Brian Bowhay, who also developed the Lynx hardware and Chip's Challenge creator Chuck Sommerville.

Boulder Dash Construction Kit is the fourth game in the Boulder Dash series. It was first published for the Commodore 64 by Epyx in 1986. Ports were later released for the Atari 8-bit family, Apple II, ZX Spectrum, and Atari ST The Spectrum version was rereleased as Boulder Dash IV: The Game. Boulder Dash Construction Kit adds levels and a level editor.

Break Dance is a Commodore 64 rhythm game that relies on players making dancing moves that resemble the classic game Simon says. The game capitalized on early 1980s-era b-boying, which was a popular trend in American culture. The game was inspired by the films Flashdance and Beat Street.

California Games is a 1987 Epyx sports video game originally released for the Apple II and Commodore 64 and ported to other home computers and video game consoles. Branching from their popular Summer Games and Winter Games series, this game consists of a collection of outdoor sports purportedly popular in California. The game was successful for Epyx and spawned a sequel.

Championship Wrestling is a professional wrestling video game released by Epyx for the Apple II in 1986. Ports were released for the Commodore 64, Atari ST, and Apple IIGS.

Crush, Crumble and Chomp! is a 1981 video game from Epyx. In this game, the player takes control of a movie monster and attacks a major city, such as New York or San Francisco.

The Datestones of Ryn is a role-playing video game released in 1979 for the Apple II, Commodore PET, and TRS-80 by Automated Simulations. The Datestones of Ryn was the second title in the Dunjonquest series, but was actually a prequel to the first game, Temple of Apshai. Like its predecessor, this game was written in BASIC.

Destroyer is a naval combat simulation game released by Epyx in 1986. It was published for the Amiga, Apple II, Commodore 64, and IBM PC.

Dragonriders of Pern is a 1983 video game published by Epyx that is based on Anne McCaffrey's book series of the same name. The game was released for the Atari 8-bit family and Commodore 64.

The Eidolon was one of two games that were part of Lucasfilm Games' second wave in December 1985. The other was Koronis Rift. Both took advantage of the fractal technology developed for Rescue on Fractalus!, further enhancing it. In The Eidolon, Rescue's fractal mountains were turned upside down and became the inside of a cave.

Electrocop is a 1989 action video game developed by Epyx and published by Atari Corporation in North America and Europe exclusively for the Atari Lynx. It was also released in Japan on November 25 of the same year, where it was instead distributed by Mumin Corporation. One of the first games written for the platform, it was one of the launch titles that were released along with the system in North America.

Final Assault, known as Chamonix Challenge in Europe, originally Bivouac in French, is a mountaineering simulation distributed by Infogrames and Epyx in 1987 for the Amiga, Amstrad CPC, Apple IIgs, Atari ST, Commodore 64, MS-DOS, Thomson and ZX Spectrum. The original release of the game was copy protected.

G. I. Joe: A Real American Hero is a 1985 action shoot 'em up video game. It was developed and published by Epyx for the Apple II and Commodore 64.

Gates of Zendocon is a 1989 shoot 'em up video game developed by Epyx and published by Atari Corporation in North America and Europe exclusively for the Atari Lynx. It was also released in Japan on December 23 of the same year, where it was instead distributed by Mumin Corporation. One of the first games written for the platform, it was one of the launch titles that were released along with the system in North America.

Gateway to Apshai is an action-adventure game for the Commodore 64, ColecoVision and Atari 8-bit family, developed by The Connelley Group and published by Epyx as a prequel to Temple of Apshai. It is a more action-oriented version of Temple of Apshai, with smoother and faster graphics, streamlined controls, fewer role-playing video game elements, and fewer room descriptions.

Hellfire Warrior is a dungeon crawl video game for the Apple II, Commodore PET, and TRS-80 published by Automated Simulations in 1980. An Atari 8-bit family port was released in 1982. Hellfire Warrior is the direct sequel to 1979's Temple of Apshai.

Hot Wheels is a racing video game developed by A. Eddy Goldfarb & Associates, and published by Epyx for the Commodore 64. The game was unveiled in June 1984, at Chicago's Summer Consumer Electronics Show, and was released later that year. Hot Wheels is the first video game to be based on the Hot Wheels toyline, and was marketed by Epyx as part of their Computer Activity Toys series, consisting of video games based on popular toylines.

Impossible Mission is a video game originally written for the Commodore 64 by Dennis Caswell and published by Epyx in 1984. The game features a variety of gameplay mechanics from platform and adventure games and includes digitized speech. Impossible Mission, which casts the player in the role of a secret agent infiltrating an enemy stronghold, is widely considered one of the best games for several platforms.

Impossible Mission II is a 1988 computer game developed by Novotrade and published by Epyx. It was released for the Commodore 64, ZX Spectrum, Amstrad CPC, Enterprise 128, Nintendo Entertainment System, MS-DOS based PCs, Atari ST, Apple IIe with at least 128K, Apple IIc, Apple IIGS, and Amiga computers.

Invasion Orion is a 1979 science fiction strategy game written and published by Automated Simulations. It is one or two player sequel to the original two-player Starfleet Orion which was published in late 1978. The game was written in BASIC for the Commodore PET and TRS-80 and ported to the Atari 8-bit family and Apple II.

Jabbertalky is a 1981 video game for the Apple II and TRS-80 published by Automated Simulations.

Jumpman is a platform game written by Randy Glover and published by Epyx in 1983. It was first developed for the Atari 8-bit family, and versions were also released for the Commodore 64, Apple II, and IBM PC.

Koronis Rift is a 1985 computer game from Lucasfilm Games. It was produced and designed by Noah Falstein. Originally developed for the Atari 8-bit family and the Commodore 64, Koronis Rift was ported to the Amstrad CPC, Apple II, MSX, Tandy Color Computer 3, and ZX Spectrum.

The Legend of Blacksilver is a fantasy role-playing video game developed by Charles W. Dougherty and John C. Dougherty of Quest, Inc. and published by Epyx in 1988. It is an indirect sequel to the game Legacy of the Ancients. Originally designed for the Commodore 64, the game was ported to the Apple II.

The Movie Monster Game is a computer game released by Epyx for the Apple II and Commodore 64 in 1986. The game offers a variety of scenarios, playable monsters, and cities to demolish (complete with famous landmarks, such as Tokyo Tower. The monsters are based on popular movie monsters such as The Blob, Mothra, the Stay Puft Marshmallow Man, and the Transformers, and Epyx was able to officially license Godzilla.

Pitstop is a 1983 racing video game developed and published by Epyx for the Atari 8-bit family, ColecoVision, Coleco Adam, and Commodore 64. A sequel, Pitstop II, was released in 1984.

Pitstop II is a 1984 sequel to the 1983 racing game Pitstop, both of which were published by Epyx. Ported to more platforms than the original, Pitstop II was released for the Commodore 64, Atari 8-bit family, and as a self-booting disk for IBM PC compatibles. Apple II and TRS-80 Color Computer versions were released in 1985.

Rescue at Rigel is a 1980 science fiction role-playing video game written and published by Automated Simulations. It is based on a modified version of their Temple of Apshai game engine, which was used for most of their releases in this era. The game was released for the Apple II, IBM PC, TRS-80, Commodore PET, VIC-20, and Atari 8-bit family.

Rescue On Fractalus! is a March 1984 first-person shooter computer game created by Lucasfilm Games. It was originally released for the Atari 8-bit family and the Atari 5200 games console. It was also ported to other popular platforms of the day, such as the Apple II, ZX Spectrum, Amstrad CPC, Tandy Color Computer 3 and Commodore 64. The game was one of the first two products from the fledgling Lucasfilm Computer Division Games Group led by Peter Langston. David Fox was the project leader and designer. Music was mainly composed by Charlie Kellner.
Rogue is a dungeon crawling video game by Michael Toy and Glenn Wichman and later contributions by Ken Arnold. Rogue was originally developed around 1980 for Unix-based mainframe systems as a freely-distributed executable. It was later included in the official Berkeley Software Distribution 4.2 operating system (4.2BSD). Commercial ports of the game for a range of personal computers were made by Toy, Wichman, and Jon Lane under the company A.I. Design and financially supported by the Epyx software publishers. Additional ports to modern systems have been made since by other parties using the game's now-open source code.

The Sacred Armour of Antiriad is an action-adventure game published by Palace Software in 1986 for Amstrad CPC, Commodore 64, IBM PC compatibles, TRS-80, and ZX Spectrum. In North America, the game was published by Epyx as Rad Warrior. The original game came with a 16-page comic book created by graphic artist Daniel Malone. The game is an early example of the Metroidvania genre, being developed without knowledge of and concurrently with Metroid.

Sorcerer of Siva is a 1981 video game published by Automated Simulations for the Apple II and TRS-80. The last standalone Dunjonquest game, Sorcerer of Siva is not as large as the major releases in the series, but also not as small as the MicroQuests.

Star Warrior is a 1980 science fiction role-playing video game written and published by Automated Simulations for the Apple II, TRS-80, and Atari 8-bit family. The game is branded as part of the Starquest series, consisting of Star Warrior and the otherwise unrelated Rescue at Rigel.

Starfleet Orion is a 1978 science fiction strategy game written and published by Automated Simulations. It appears to be the first space-themed strategy game sold for microcomputer systems. The game was originally written in BASIC for the Commodore PET, but later ported to other early home computer platforms including the TRS-80 and Apple II. The game was something of a success, leading to a string of successes for the company, notably the major hit Temple of Apshai.

Summer Games is a sports video game developed by Epyx and released by U.S. Gold based on sports featured in the Summer Olympic Games. Released in 1984 for the Commodore 64, it was ported to the Apple II, Atari 2600, Atari 7800, Atari 8-bit family, and Sega Master System. Amiga, ZX Spectrum, Amstrad CPC and Atari ST versions were also created for inclusion in compilations. In 2004 it was re-released on the C64 Direct-to-TV.

Summer Games II is a sports video game developed by Epyx and released by U.S. Gold based on sports featured in the Summer Olympic Games. It is a sequel to Summer Games released by Epyx the previous year. Summer Games II was originally written for the Commodore 64 and ported to the Apple II, Atari ST, MS-DOS, ZX Spectrum, Amstrad CPC and Amiga.

Sword of Fargoal is a dungeon exploration video game by Jeff McCord, published by Epyx for the VIC-20 in 1982 and the Commodore 64 in 1983. The game was originally released on cassette tape and 5¼" floppy disk formats.

Temple of Apshai is a dungeon crawl role-playing video game developed and published by Automated Simulations in 1979. Originating on the TRS-80 and Commodore PET, it was followed by several updated versions for other computers between 1980 and 1986.

Todd's Adventures in Slime World is a side-scrolling platform video game first released for the Atari Lynx in 1990, with Sega Mega Drive/Genesis and PC Engine CD versions following in 1992.

Winter Games is a sports video game developed by Epyx, based on sports featured in the Winter Olympic Games.

World Games is a sports video game developed by Epyx for the Commodore 64 in 1986. Versions for the Apple IIGS, Amstrad CPC, ZX Spectrum, Sega Master System and other contemporary systems were also released. The NES version was released by Milton Bradley, and ported by Software Creations on behalf of producer Rare. A Virtual Console version was released in Europe on April 25, 2008.

Zarlor Mercenary is a vertically scrolling shooter for the Atari Lynx handheld console, developed by Epyx and published by Atari Corporation.