An open-source Phantasy Star Online server for *nix
Program and Game Manager for DOS
Simple vertical scroller game for CP/M written in Forth
A simple arcade game for CP/M Plus
ZxoR Mafia Bot is an IRC text based game based on the party game
A nice GUI client for Imperium
Android, DOS, FirefoxOS, Linux, MacOS and Windows all in one..
Single-/multi-player card game Mau Mau (similar to UNO®)