Video Games Spent Longest In Development Hell
List of video games and game mods that took 5 years or more to make.
Released
Cancelled
Still in development

5+ Years
Atomic Heart (2018-2023)
Chaos Code: Nemesis Experiment (2017-2025)
Devil's Third (2008-2015)
Fallout 3 (2001-2008)
Half-Life 2 (1999-2004)
Hellcore (1995-2004)Mod
Legends of Runeterra (2012-2020)
MADNESS: Project Nexus (2014-2021)
Plutonia 2 (2000-2008)Mod
S.T.A.L.K.E.R.: Shadow of Chernobyl (2000-2007)
Shira Oka: Second Chances (2005-2010)
Skulldash (2008-2015)Mod
Spore (2000-2008)
Team Fortress 2 (1998-2007)
The Closure (2010-2016)Mod
Warhammer Online: Age of Reckoning (2002-2008)
ZDoom Community Map Project: Take II (2004-2013)Mod
10+ Years
Aliens: Colonial Marines (2001-2013)
Cryamore (2012-?)
Final Fantasy XV (2006-2016)
Grand Theft Auto VI (2014-?)
Mini Classics Tetris (1988-1998)
NES Godzilla Creepypasta Game (2015-?)Pr
NiGHTS: Journey of Dreams (1996?-2007)
Plants vs Zombies 3 (2016-?)Pr
S.T.A.L.K.E.R. 2: Heart of Chornobyl (2010-2024)
Seireiki Rayblade 2 (2001-2015)
SpaceVenture (2012-2025)
Too Human (1996?-2008)
Total Chaos (2008-2018)Mod
Ubusuna (2014-?)
Xydonia (2016-?)Pr
15+ Years
Bully 2 (2008-2023?)
Duke Nukem Forever (1996-2011)
Final Fantasy VII Remake (2001-2020)
SlipStream GX (2010-?)Pr
Tekken X Street Fighter (2010-?)
The Shores of ZDoom (2008-?)Mod
TNT 2: Devilution (2009-2025)Mod
20+ Years
Baldur's Gate III (2001-2023)
Half-Life 3 (2006-?)
Streets of Rage 4 (1997-2020)
25+ Years
American Hero (1995-2021)
Jurassic Park: Survival (2000-?)
Mordeth Episode 2 (1997-?)Mod
30+ Years
Commander Keen 7 The Universe Is Toast (1992-?)
Swordquest: Airworld (1983-2022)