quake

classic gothic/horror-themed first person shooter

Quake is a classic first-person shooter game by id Software, released in 1996. This package contains a launcher script and menu entry to play Quake with any suitable engine.

quake2

classic science-fiction-themed first person shooter

Quake II is a classic first-person shooter game by id Software, released in 1997. This package contains a launcher script and menu entry to play Quake II with any suitable engine.

quake3

Quake III Arena menu entry and launcher scripts

This package contains a launcher script and menu entry to play Quake III Arena or Quake III: Team Arena with the ioquake3 engine.

freedink-engine

humorous top-down adventure and role-playing game (engine)

Dink Smallwood is an adventure/role-playing game, similar to classic Zelda, made by RTsoft. Besides twisted humor, it includes the actual game editor, allowing players to create hundreds of new adventures called Dink Modules or D-Mods for short.

rott

SDL-Port of Rise of the Triad

Rise of the Triad is a high quality, fast scrolling first-person perspective 3D action game. It includes a lot of destructive enemies, an arsenal of weapons from simple pistols to missile launchers, life-preserving armor, traps and ambushes galore.

sandboxgamemaker

3D game maker and 3D game design program

Platinum Arts Sandbox is an open source, easy-to-use, standalone 3D game maker and 3D game design program. It is currently based on the Cube 2 engine used in schools around the world that allows kids and adults to create their own video games, worlds, levels, adventures, and quests, even cooperatively. The goal is to make it accessible to kids but also powerful enough for full game projects.