Games like Fallout 4 Far Harbor
Games like Fallout 4 Far Harbor include Fallout 4, S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition, Fallout: New Vegas, Metro Exodus, and Cyberpunk 2077. We matched them by the tags players give Fallout 4 Far Harbor on Steam (RPG, Open World, Post-apocalyptic, Singleplayer, and Survival): closest matches first, and among equally close ones the better-known games.

Fallout 4
Shared: Open World · Post-apocalyptic · RPG

S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition
Shared: Open World · Post-apocalyptic · FPS

Fallout: New Vegas
Shared: RPG · Open World · Post-apocalyptic

Metro Exodus
Shared: Post-apocalyptic · Open World · Singleplayer

Cyberpunk 2077
Shared: Open World · RPG · Singleplayer

Fallout 3
Shared: Open World · RPG · Post-apocalyptic

The Witcher 3: Wild Hunt — Remastered
Shared: RPG · Open World · Singleplayer

Far Cry® Primal
Shared: Open World · Survival · Singleplayer

METRO Last Light Redux
Shared: Post-apocalyptic · FPS · Atmospheric

METRO 2033 Redux
Shared: Post-apocalyptic · FPS · Atmospheric

RAGE
Shared: Post-apocalyptic · Open World · FPS

Far Cry® 4
Shared: Open World · FPS · Action

Rust
Shared: Open World · Survival · RPG

BioShock Infinite
Shared: RPG · Singleplayer · FPS

Far Cry® New Dawn
Shared: Open World · FPS · Post-apocalyptic

Far Cry 3
Shared: Open World · FPS · Action

Fallout 4 VR
Shared: Open World · RPG · Post-apocalyptic

Hogwarts Legacy
Shared: Open World · RPG · Singleplayer

The Long Dark
Shared: Open World · Survival · Singleplayer

Mad Max
Shared: Open World · Post-apocalyptic · Singleplayer

Grand Theft Auto V Legacy
Shared: Open World · Action · Singleplayer

Terminator: Resistance
Shared: Post-apocalyptic · FPS · Open World

Fallout 76
Shared: Open World · RPG · Post-apocalyptic

Biomutant
Shared: Open World · RPG · Singleplayer