/ Linux Software Directory / Application / Game
X11 / KDE /

Battalion - A Mesa graphics library based game about a city destroying monster
Stella - An Atari 2600 Video Computer System emulator
XNES - Xnes, the Nintendo emulator
Xbattle - The Classic Xbattle Game.. networkable/multiplayer
Xconq - A multi-player, empire-building strategy game
Xroads - An X Window System game similar to the Commodore 64 system's