
Adanaxis
Fly your ship in a 4d environment

Airstrike
Dogfight an enemy plane

Alex the Allegator 4
Retro platform game

AlienBlaster
Blast the invading aliens

Amphetamine
Fight evil monsters with your magic weapons

Armagetron Advanced
3d light cycle game

AssaultCube
Realistic first-person-shooter

Asylum
Game involving shooting anything that moves & collecting others

Battle Tanks
Battle Tanks is a funny battle on your desk

The Bub's Brothers
Kill evil enemies by catching them into bubbles and smashing those
Bug Squish
Squash the bugs before they suck up your blood
BumpRace
1 or 2 players race through a multi-level maze
Ceferino
Save the cows!

Chocolate Heretic
Conservative source port

Chocolate Hexen
Conservative source port

Chocolate Strife
Conservative source port

Cube2:Demo
playable demo for the Cube2 engine
Cytadela
old-school first person shooter
Descent 1
DXX-Rebirth source port of Descent: First Strike from 1995...
Descent 2
DXX-Rebirth source port of Descent 2: Counterstrike from 1996...
Doomsday Engine
Doom/Heretic/Hexen with enhanced graphics

FreeDM
Fight friends and enemies in competitive deathmatch

Freedoom: Phase 1
Doom styled first person shooter game

Freedoom: Phase 2
Doom2 styled first person shooter game

GLtron
3D lightcycle game

Jump'n'Bump
Jump on your opponents to make them explode

KBall
Find the exit

Kraptor
classic shoot 'em up scroller game
M.A.R.S.
M.A.R.S. - a ridiculous shooter

Matanza
Space ascii war game

Mudlet
Play online text-based games (MUDs)

Open Invaders
Play a Space Invaders clone

OpenArena
A fast-paced 3D first-person shooter, similar to id Software Inc.'s Quake III Arena

OpenClonk
An action-packed game of strategy, tactics, and skill.

OpenLugaru
Single-player game featuring rabbits

Pax Britannica
Multi-player real-time strategy game

Blob Wars : Metal Blob Solid
Mission and Objective based 2D Platform Game
PrBoom+
enhanced clone of the classic first-person shooter Doom
Quake II MP2: Ground Zero
Mission Pack 2 for the classic first person shooter
Quake II MP1: The Reckoning
Mission Pack 1 for the classic first person shooter

Quake II
Classic first person shooter

Quake III: Team Arena
Expansion pack for Quake III Arena

Quake III Arena
Play the original Quake III Arena
Quake: Scourge of Armagon
Mission Pack 1 for the classic first person shooter
Quake: Dissolution of Eternity
Mission Pack 2 for the classic first person shooter
Quake
Classic first person shooter

Red Eclipse
First-person shooter with agile gameplay and built-in editor
REminiscence
A port of FlashBack game engine
Rise of the Triad
RotT Shareware launcher, will automatically download the needed data-files