Play Absence online - freeware

Ken's Labyrinth

First-Person Shooter, 1993
Full version, Source code

The Varginha Incident

Also known as Alien Anarchy

First-Person Shooter, 1998
Playable demo

Chex Quest

First-Person Shooter, 1996
Full version (installed), Freeware

Gunmetal

First-Person Shooter, 1998
Playable demo, Playable demo

HACX

Also known as HACX - Twitch 'n Kill

First-Person Shooter, 1997
Full version (installed), Full version, Full version (installed)

The Hidden Below

First-Person Shooter, 1994
Playable demo (installed), Playable demo

Terminal Velocity

Also known as Velocity Brawl

First-Person Shooter, 1995
Shareware (installed), Shareware, Extra

Descent II

Also known as Descent 2

First-Person Shooter, 1995
Playable demo (installed), Playable demo, Playable demo, Preview, Extra

In Pursuit of GREED

First-Person Shooter, 1996
Playable demo (installed), Full version, Source code