platform game where you have to jump up to survive

gnujump

platform game where you have to jump up to survive

The goal in this game is to jump to the next floor so you don't fall down. As you go higher in the falling tower the floors will fall faster. Try to survive longer than anyone, or, in single player mode, try to get as high as you can.
many board games in one program

gtkboard

many board games in one program

Gtkboard aims to provide a common platform for all board games. All games have a common interface. The first thing you do on starting gtkboard is to select a game from the menu. Currently 18 games are implemented. Of these, Antichess, Ataxx, Fifteen puzzle, Hiq, Memory, Othello, Pentaline, Plot4, Rgb and Samegame are fully implemented. Checkers, Infiltrate, Hypermaze, Mastermind, Maze, and Tetris are partially implemented but playable. Chess, and Pacman are partially implemented and currently unplayable. Some are single player and some are two player games.
City simulator game with polished graphics

lincity-ng

City simulator game with polished graphics

LinCity-NG is a City Simulation Game. It is a polished and improved version of the old LinCity game: You are required to build and maintain a city. You must feed, house, provide jobs and goods for your residents. You can build a sustainable economy with the help of renewable energy and recycling, or you can go for broke and build rockets to escape from a pollution ridden and resource starved planet, it's up to you. Due to the finite resources available in any one place, this is not a game that you can leave for long periods of time. This game is similar to the commercial simulation game with a similar name.
2D game development framework based on Lua and OpenGL

love

2D game development framework based on Lua and OpenGL

LÖVE was created to be a user-friendly engine in which simple (or complicated) games could be made without having extensive knowledge of system or graphics functions and without having to dedicate time towards developing the same engine features time and time again.
Original Mah-Jong game

mah-jong

Original Mah-Jong game

This is a set of programs to play the original Mah-Jong game: one server, one client for a human player and one client for an AI player. Hence the game can be played by 1 to 4 human players.
Single-player, text-based, dungeon simulation game

angband

Single-player, text-based, dungeon simulation game

Angband is a single-player, text-based, dungeon simulation derived from the game Moria, which was in turn based on Rogue. It is often described as a "roguelike" game because the look and feel of the game is still quite similar to Rogue (though there are now graphical tiles available if you dislike ASCII gaming). Angband has been in more or less continuous development since the early 1990s.