Brick-breaking game with pretty graphics

Fast paced, first person strategy game

Free and open source first-person shooter

Modern cross-platform port of the Descent engine

Modrinth's game launcher

Open source first person shooter

A modern cross‑platform port of “STAR WARS™: Dark Forces” with mod support

2D motocross platform game

Free fast paced arena shooter

First-person arena shooter

Retro penguin platformer for Gameboy

Typing challenge featuring Tux

Open source first person shooter

3D Lightcycle Game

Sidescrolling shooter where you control worms armed with a range of weapons

OpenNox is a modern implementation of a Nox game engine

An old-school 2D platform game

Survival horror set on a remote island known as Fort Oasis

An improved, cross-platform, stable Jagged Alliance 2 runtime

A game of lonely space adventure

Enhanced source port of Doom, Heretic, and Hexen

The Free and Fast Arena Shooter

2D action/rpg space trading combat game

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

An alien lands in a kindergarten where the children quickly turn hostile

Classic overhead run-and-gun game

Free and open-source Quake 3 based engine

Source port of Cannon Fodder

A nostalgic side-action adventure game

Jump 'n run game made in the spirit of old classic platformers