These games are recreations of simple ASCII graphics games originally written in BASIC. They are ideal for use as Perl programming tutorials. Some of the first few games are PerlBlaster (defend your planet from invading aliens), PerlRacer (steer your car through the twisting passages), and PerlArena (eliminate the mutant hordes).
Neohunt is an enhanced variant of hunt, a multiplayer game in which you run around a maze and shoot your friends before they shoot you. It is also an artifact of an earlier age, to be used either as nostalgia (if you remember the eighties) or as an example of how much better things are today (if you don't).
iMaze is a multi-player network action game for TCP/IP with 3D graphics under X11 in which players runs through a labyrinth, trying to shoot other players and computer-controlled ninjas without being shot by them. It features a sophisticated, reliable network protocol which works even with SLIP connections over modems. Its windows can be freely scaled to avoid speed drawbacks due to poor display performance.
Vermin ExTerminator is a free multiplayer network game. It is a 2D real-time first-person shooter. Little worms (vermin) fight against each other using hand guns, rifles, grenades, or rockets. In other words, the game is mix of liero and a real-time worms. The game is written in Java with LWJGL as the OpenGL and OpenAL interface.
TESA (Tactics Editor for Squad Action) is a strategy editor for computer games. It allows the user to add team members to squads and edit actions they will perform in a squad-based game. It comes with all the map information needed for 32 player Battlefield 2 maps and is fully customizable to work with other games.
Doom was the classic 3D shoot'em'up game from id Software. PrBoom is a game engine for playing Doom levels, which runs on both Windows and Linux/Unix systems. It uses the SDL graphics library. PrBoom a very faithful Doom port, with great effort taken to be compatible with as many original Doom levels and demos as possible.