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FreeOrion
strategy / 4X
FreeOrion project
Sextris
puzzle / tile-matching
Sextris
OpenTTD
simulation / management
OpenTTD Team
0 A.D.
strategy / real-time strategy
Wildfire Games
FreeCol
strategy / 4X
The Freecol Team
Alien Swarm
shooter / run and gun
Valve
Unknown Horizons
simulation / city building
The Unknown Horizons Developers
Cataclysm: Dark Days Ahead
RPG / roguelike
Kevin Granade
Dungeon Crawl Stone Soup
RPG / roguelike
DCSS Devteam
Angband
RPG / roguelike
Angband Development Team
Battle for Wesnoth
strategy / turn-based tactics
David White
Cube 2: Sauerbraten
shooter / first-person shooter
Dot3 Labs
Dungeon Craft
RPG / old school RPG
Dungeon Craft Team
UFO: Alien Invasion
strategy / turn-based tactics
UFO: Alien Invasion Team
Freeciv
strategy / 4X
The Freeciv project
UFO 2000
strategy / turn-based tactics
Ufo 2000 Crew
C-Evo
strategy / 4X
Steffen Gerlach
Simutrans
simulation / management
Simutrans Development Team
Warsow
shooter / first-person shooter
Warsow Team
Ryzom
RPG / MMORPG
Nevrax
Totally Moonlighting Much?
adventure / visual novel
SoulReaverFo