A puzzle game

Brick-breaking game with pretty graphics

Modrinth's game launcher

Typing challenge featuring Tux

2D action/rpg space trading combat game

A 3D first person tank battle game

Retro penguin platformer for Gameboy

Open source first person shooter

Tactical first person shooter with action movie elements

OpenNox is a modern implementation of a Nox game engine

Enhanced source port of Doom, Heretic, and Hexen

Lemmings-like game with puzzles, editor, multiplayer

Survival horror set on a remote island known as Fort Oasis

2D motocross platform game

Help barbie the seahorse float on bubbles to the moon

Story-driven FPS inspired by WWII shooters from the 90's and early 2000's

Free and open-source Quake 3 based engine

First-person shooter with agile gameplay and built-in editor

First-person arena shooter

Multiplayer action game where you control small and nimble humanoids

Fast, faithful Classic DOOM action — solo or online

Survival horror set on a remote island known as Fort Oasis

Aliens vs Humans, First Person Shooter game with elements of Real Time Strategy

Explore great pyramid

Fast arcade first person shooter

Classic arena first person shooter

A free first person shooter for Mac, PC and Linux

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

A nostalgic side-action adventure game

3D Lightcycle Game