Chasm: The Rift Archive
Official Website (GT Interactive)
Browse a complete archived backup of the old official website sans file downloads
Chasm File Archive
Download official game demos, patches and more
Official Downloads
Buy Chasm: The Rift (GOG.com)
Visit GOG.com to purchase the game (no affiliation with seller)
Buy Chasm: The Rift (Steam)
Visit Steam to purchase the game (no affiliation with seller)
Unaffiliated Fan Downloads
Chasm Portable
Download a patched version of the game in an easy download-and-play formfactor
PanzerChasm
Visit the PanzerChasm reverse-engineering repository on GitHub
OpenChasm
Visit the OpenChasm reverse-engineering repository (abandoned)