hexalate
Color matching puzzle
Hexalate is a color matching game. The goal of the game is to rotate and
position the circles so that each touching line matches in color. You rotate
circles by right clicking, and you move circles by dragging them. The game
stores the positions and rotations of the circles across runs.
nestopia
Nintendo Entertainment System/Famicom emulator
Nestopia is a cycle-accurate NES/Famicom emulator. It has a high
compatibility rate and support for many peripherals and input
devices.
freedoom
two single player campaigns for Doom-compatible engines
The Freedoom project aims to produce three base-game data files
(IWADs) for Doom-compatible engines. With it comes the
capability to also play the wide range of mods created for Doom
by a vibrant community.
darkradiant
Level design toolchain for DOOM3 and The Dark Mod
DarkRadiant is a 3D map and level editor for games based on the idtech4
engines. The software is based on GtkRadiant and focuses on the games DOOM3 and
The Dark Mod. Other games based on the same engine, like Quake 4, might be
editable too, but are not explicitly supported.
ufoai
UFO: Alien Invasion -- build your team and stop the aliens
UFO: Alien Invasion is a squad-based tactical strategy game in the tradition
of the old X-COM PC games. It combines military realism with hard
science-fiction and the weirdness of an alien invasion. The carefully
constructed turn-based system gives you pin-point control of your squad while
maintaining a sense of pace and danger.
corsix-th
Open source clone of Theme Hospital
Theme Hospital was a simulation computer game developed by Bullfrog
Productions and published by Electronic Arts in 1997, in which the player
designs and operates a hospital.