Windows

Crossfire

Linux, macOS, Mac OS, and 1 more

Scorched 3D

macOS, Windows, Linux

SimCity

web browser, Wii, Windows, and 11 more

Nintendo Entertainment Analysis & Development, Maxis

MegaMek

macOS, Windows, Linux

Lugaru

macOS, Windows, Linux

Wolfire Games

Freedoom

macOS, Disk Operating System, Windows, and 2 more

Mari0

Android, macOS, Windows, and 1 more

ChessV

Windows

C-evo

Windows

Blob Wars: Metal Blob Solid

macOS, Windows, Linux

Chromium B.S.U.

iOS, macOS, PlayStation Portable, and 2 more

Unknown Horizons

macOS, Linux, Windows

Frozen Bubble

macOS, Windows, Linux, and 2 more

Armagetron Advanced

macOS, Windows, Linux

Enigma

macOS, Mac OS, Windows, and 1 more

Neverball

Android, Windows, Linux

Cube 2: Sauerbraten

macOS, Windows, Linux

Wouter van Oortmerssen

UFO: Alien Invasion

Linux, Windows

World of Padman

macOS, Linux, Mac OS, and 1 more

Freeciv

macOS, Amiga, Windows, and 1 more

Marko Lindqvist

XBill

iOS, macOS, Android, and 2 more

Simutrans

macOS, Mac OS, Windows, and 1 more

Hansjörg Malthaner, Markus Pristovsek

Smokin' Guns

Windows, Linux

Tremulous

Windows, Linux

Bos Wars

Windows, Linux

Hedgewars

Android, macOS, Windows

Nexuiz

macOS, Windows, Linux

Alientrap

Linley's Dungeon Crawl

Disk Operating System, Amiga, Windows, and 1 more

Cube

iOS, macOS, Windows, and 1 more

Wouter van Oortmerssen

AssaultCube

Android, macOS, Windows, and 1 more