Play your favorite anime game on Linux

EDuke32 is an awesome, free homebrew game engine

Play boardgames, virtually

Find the largest area of connected squares

3-D Game based on Rubik's Cube

A game about bouncing balls through gaps of never-ending pipes

Open source transportation simulation game

Strategy game based on history, mythology and fiction

A computer mystery/romance set five minutes into the future of 1988

Save the Earth from the clutches of the Giant Brain from Planet X

Modded SRB2Kart adding many custom features

Play 16 draughts variants online

Limit-removing enhanced-resolution Doom source port

Multiplayer action game where you control small and nimble humanoids

Chess-like, fantasy game of conquering the enemy's castle

Open source first person shooter

German card game Skat for two players

Play as an appliance

A simple constructor game suitable for children and adults alike

A re-implementation of Jazz Jackrabbit 2

Doom BFA is a Doom 3 BFG GPL source port

Enhanced source port of Doom, Heretic, and Hexen

Custom Minecraft Launcher to easily manage multiple Minecraft installations at once

Air Traffic Control Simulator

A Quake mod based on the retro shooter SPRAWL

A Persona-inspired mod based on the 3D Sonic the Hedgehog fangame Sonic Robo Blast 2

Open source chess GUI for chess engines

Cross platform, customizable graphical frontend for launching emulators

First-person arena shooter

Medieval Real-Time-Strategy Game