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Cube 2: Sauerbraten
shooter / first-person shooter
Dot3 Labs
2004 
Urban Terror
shooter / first-person shooter
FrozenSand
2011 
AssaultCube
shooter / first-person shooter
Rabid Viper Productions
2013 
Goblin Camp
simulation / city building
Ilkka Halila
2012 
OpenLieroX
strategy / artillery
OpenLierX devs
2010 
Seven Kingdoms: Ancient Adversaries
strategy / real-time strategy
Enlight Software
1998 
Slash'EM
RPG / roguelike
Warren Cheung
2006 
TomeNET
RPG / roguelike
TomeNET team
2003 
Tremulous
shooter / first-person shooter
Dark Legion Development
2006 
Sextris
puzzle / tile-matching
Sextris
2015NSFW 
3059: The Beginning
RPG / roguelike
Phr00t
2005 
TripleA
strategy
TripleA Contributors
2001
Red Eclipse
shooter / first-person shooter
Red Eclipse dev team
2017 
Rocks'n'Diamonds
puzzle / action puzzle
Artsoft Entertainment
2002 
BZFlag
shooter / first-person shooter
Chris Schoeneman
2016 
The Goonies: 20th Anniversary Edition
platformer
Brain Games
2009 
Totally Moonlighting Much?
adventure / visual novel
SoulReaverFo
2019NSFW 
FlightGear
simulation / flight simulator
FlightGear team
2017 
Red Rogue
platformer / rogue-lite
Aaron Steed
- 
Sonic Robo Blast 2
platformer
SBB2 team
2020 
Enigma
puzzle / tile-matching
Enigma dev team
2014