SuperTux is a classic 2D jump'n run sidescroller game in a style similar to the original Super Mario games. Instead of Mario, the hero in this game is Tux, the mascot of the Linux kernel.
Xonotic is a free (GPL), fast-paced first-person multiplayer shooter that works on Windows, OS X and Linux. The project is geared towards providing addictive arena shooter gameplay which is all spawned and driven by the community itself.
SuperTuxKart is a free 3D kart racing game; we want to make the game fun more than we want to make it realistic. You can play with up to 4 friends on one PC, racing against each other or just try to beat the computer (a network multiplayer feature is planned).
Join "The Project" to restore humanity's synaptic-link technology after nuclear war has devastated Earth, rendering it a Warzone 2100.
Hedgewars is a turn based strategy, artillery, action and comedy game, featuring the antics of pink hedgehogs with attitude as they battle from the depths of hell to the depths of space. As commander, it's your job to assemble your crack team of hedgehog soldiers and bring...
AssaultCube is a free, multiplayer, first-person shooter game, based on the CUBE engine.
Taking place in realistic environments, with fast, arcade gameplay, it's addictive and fun!
NetHack is a single player dungeon exploration game that runs on a wide variety of computer systems, with a variety of graphical and text interfaces all using the same game engine. Unlike many other Dungeons & Dragons-inspired games, the emphasis in NetHack is on discovering...
Pingus has started at the end of 1998 with the simple goal to create a Free (as in freedom, not as in free beer) Lemmings clone. The Free means you get the sources and are allowed and encouraged to change and distribute them.
X-Moto is a challenging 2D motocross platform game, where physics plays an all important role in the gameplay. You need to control your bike to its limits, if you want to have a chance to finish the most difficult challenges.
Canabalt is a 2009 side-scrolling endless runner video game developed by Adam Saltsman for the Experimental Gameplay Project. It has been released on iOS, Android, Commodore 64, Ouya and various Flash based online gaming websites, such as Kongregate.
The successor to LBreakout offers you a new challenge in more than 50 levels with loads of new bonuses (goldshower, joker, explosive balls, bonus magnet ...), maluses (chaos, darkness, weak balls, malus magnet ...) and special bricks.
A modernization of the classic DOS game 
Scorched Earth 'The Mother Of All Games' on which it is based. Scorched 3D incorporates a lively three dimensional landscape that includes animated jets, naval vessels, water, and even birds, in...
Chromium B.S.U. is a fast paced, arcade-style, top-scrolling space shooter on Windows, iPhone, PSP, Mac, AmigaOS 4, Linux and numerous other UNIX-like operating systems. It is a free software distributed under the Artistic License.
The Legend of Edgar is a platform game, not unlike those found on the Amiga and SNES. Edgar must battle his way across the world, solving puzzles and defeating powerful enemies to achieve his quest.
ManiaDrive is a free clone of Trackmania, the great game from Nadéo studio, and is an arcade car game on acrobatic tracks, with a quick and nervous gameplay (tracks almost never exceed one minute), and features a network mode, as the original.
I Have No Tomatoes is an extreme leisure time activity idea of which culminates in the following question: How many tomatoes can you smash in ten short minutes.
Monster RPG 2 is a fun 2-dimensional Japanese-style Role Playing Game (JRPG). It will appeal to fans of classic console games like Final Fantasy or Dragon Quest. The game and story are quite simple which is probably what makes the game worth playing.
Armagetron is a multiplayer game in 3d that attempts to emulate and expand on the lightcycle sequence from the movie Tron.
So, uh, there's a bunch of penguins on an iceberg in Antarctica. You have been selected to catch them so they can be shipped to Finland, where they are essential to a secret plot for world domination.
