
0 A.D.
A real-time strategy game of ancient warfare
2048-qt
The 2048 number game implemented in Qt

3D Chess
3D chess for X11
4digits
A guess-the-number game, aka Bulls and Cows

Seven Kingdoms
Seven Kingdoms: Ancient Adversaries

A7Xpg
Kenta Cho's A7Xpg

Abe's Amazing Adventure
Side-scrolling game

ACM
turn-based space empire and galactic conquest computer game (client)

Adanaxis
Fly your ship in a 4d environment

Waste's Edge
A 2D graphical RPG

Airstrike
Dogfight an enemy plane

AisleRiot Solitaire
Play many different solitaire games

Alex the Allegator 4
Retro platform game

AlienBlaster
Blast the invading aliens
Amoebax
Defeat your opponent by filling up their grid up with garbage.

Amphetamine
Fight evil monsters with your magic weapons
Anagramarama
fast paced anagram puzzle game using SDL
Angband (SDL)
A roguelike dungeon exploration game based on the books of J.R.R.Tolkien
Angband (X11)
A roguelike dungeon exploration game based on the books of J.R.R.Tolkien
Angry Drunken Dwarves
Build large gems, break them and defeat your opponent
Ardentryst
Fantasy sidescroller game

Armagetron Advanced
3d light cycle game

Advanced Strategic Command
Turn based strategy game
asciijump
A clone of the dsj game

AssaultCube
Realistic first-person-shooter
AstroMenace
3D space shooter

Asylum
Game involving shooting anything that moves & collecting others

Atomic Tanks
Destroy your opponents' tanks.

Atomix
A puzzle game about atoms and molecules
Attal
Turn based strategy game

Auralquiz
A simple music quiz game for GNU/Linux

Barbie Seahorse Adventures
You are a seahorse and you want to go to the moon!
Balazar Brothers
3D adventure and roleplaying game
Balder2D
2D overhead shooter in Zero G

B.A.L.L.Z.
Platform/puzzle game where you control a rolling ball

BamBam
Keyboard mashing and doodling game for babies