Games like Fallout 3
Games like Fallout 3 include Fallout 4, Fallout: New Vegas, S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition, Cyberpunk 2077, and Starfield. We matched them by the tags players give Fallout 3 on Steam (Open World, Post-apocalyptic, RPG, Singleplayer, and Exploration): closest matches first, and among equally close ones the better-known games.
Fallout 4
Shared: Open World · Post-apocalyptic · Singleplayer
Fallout: New Vegas
Shared: Open World · Post-apocalyptic · RPG
S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition
Shared: Open World · Post-apocalyptic · Singleplayer
Cyberpunk 2077
Shared: Open World · RPG · Singleplayer
Starfield
Shared: Open World · RPG · Singleplayer
Metro Exodus
Shared: Post-apocalyptic · Open World · Singleplayer
The Elder Scrolls IV: Oblivion® Game of the Year Edition (2009)
Shared: Open World · RPG · Singleplayer
The Elder Scrolls IV: Oblivion Remastered
Shared: Open World · RPG · Singleplayer
Hogwarts Legacy
Shared: Open World · Singleplayer · RPG
The Witcher 3: Wild Hunt — Remastered
Shared: Open World · RPG · Singleplayer
Grand Theft Auto V Legacy
Shared: Open World · First-Person · Action
BioShock Infinite
Shared: Singleplayer · First-Person · RPG
Tainted Grail: The Fall of Avalon
Shared: Open World · RPG · First-Person
Terminator: Resistance
Shared: Post-apocalyptic · Open World · Singleplayer
Biomutant
Shared: Open World · RPG · Singleplayer
The Outer Worlds 2
Shared: RPG · Open World · Singleplayer
RAGE
Shared: Post-apocalyptic · Open World · Singleplayer
ELEX
Shared: Open World · RPG · Post-apocalyptic
STAR WARS Jedi: Survivor™
Shared: Open World · Singleplayer · Action
Crimson Desert Enhanced
Shared: Open World · Singleplayer · Exploration
Kingdom Come: Deliverance II
Shared: Open World · RPG · Singleplayer
METRO Last Light Redux
Shared: Post-apocalyptic · Singleplayer · First-Person
Far Cry® New Dawn
Shared: Open World · Post-apocalyptic · Action
Avatar: Frontiers of Pandora™
Shared: Open World · Singleplayer · Adventure