single-player text-based roguelike dungeon simulation game

tome

single-player text-based roguelike dungeon simulation game

Tome, short for Troubles of Middle Earth, is a single-player, text-based, dungeon simulation derived from the game angband, which in turn is derived from the older 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.
old-school earthworm action game

lierolibre

old-school earthworm action game

lierolibre is an old-school earthworm action game. It is a direct fork of Liero (OpenLiero).
Open-world RPG game engine

openmw

Open-world RPG game engine

OpenMW is a open-source openw-world RPG game engine that started off as an reimplementation of the Bethesda Game Studios game engine used by The Elder Scrolls III: Morrowind. The project scope has grown to wanting to support more games and allows, with the help of the editor, for developers and content creators to make their own games.
A graphical multi-player strategy game and game design system

xconq

A graphical multi-player strategy game and game design system

brain teaser game and trainer to have fun and to keep your brain trained

gbrainy

brain teaser game and trainer to have fun and to keep your brain trained

gbrainy is a platform to train memory, arithmetical and logical capabilities with many sorts of different exercises of different difficulty levels. It should have something for all ages and purposes: kids whose parents want them to develop their capabilities, adults that want to keep their mind in form or just try it out for fun, older people that might need to do some memory exercises, etc.
3D racing game featuring Tux, the Linux penguin

extremetuxracer

3D racing game featuring Tux, the Linux penguin

Extreme Tux Racer, or etracer as it is called for short, is a simple OpenGL racing game featuring Tux, the Linux mascot. The goal of the game is to slide down a snow- and ice-covered mountain as quickly as possible, avoiding the trees and rocks that will slow you down.