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CHASM - The Rift

Game information

Also known as: CHASM - The Shadow Zone (working title)
Developer: Action Forms
Publisher: GT Interactive, Megamedia Corporation
Category:First-Person Shooter
More details:Official game website, MobyGames, Wikipedia
Related games: Ancient Egypt, Time travel

Play DOS game online

You can play CHASM - The Rift on this website so you don't need to download and install the game on your computer. We recommend to use Google Chrome when playing DOS games online.

Play DOS game online

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File Details
  • Extra
  • Windows
  • 1,216 kB (1.19 MB)

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Game title Store
CHASM: The Rift: €16.79


The shareware version includes three missions from the full game. The playable demo includes one level from the Egyptian episode.

IMPORTANT NOTE: To run Chasm in DOSBox, you need to set CPU cycles to normal.

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Game screenshots

Game description

A hostile alien force known as the TimeStrikers is staging an invasion of Earth. These creatures use their ability to travel through time to invade and conquer different time periods of mankind's history. As the TimeStrikers attempt to teleport into the late 20 century, a lone special forces operative is sent to stop them. If need be, he should travel through the "time channels" left by the aliens to find a way back to their homeworld and put an end to this threat once and for all.

CHASM - The Rift is a first-person shooter that is quite similar in style to Quake. However, it is more story-driven. Each level starts with a mission briefing, and specific objectives may need to be completed in order to progress through the game. There are four episodes in the game which take place in different time periods: the present day, antiquity (most prominently Ancient Egypt), medieval Europe and finally, the alien dimension. Each episode ends with a boss battle.

Description by MrFlibble

Game screenshots