Games like Fallout 4 Vault-Tec Workshop
Games like Fallout 4 Vault-Tec Workshop include Fallout 4, S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition, Fallout: New Vegas, Fallout 76, and Metro Exodus. We matched them by the tags players give Fallout 4 Vault-Tec Workshop on Steam (RPG, Base Building, Post-apocalyptic, Singleplayer, and Open World): closest matches first, and among equally close ones the better-known games.

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

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

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

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

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

Cyberpunk 2077
Shared: RPG · Open World · Singleplayer

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

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

SurrounDead
Shared: Post-apocalyptic · Open World · Singleplayer

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

Generation Zero®
Shared: Open World · Base Building · Post-apocalyptic

ELEX
Shared: RPG · Post-apocalyptic · Singleplayer

7 Days to Die
Shared: Base Building · Open World · Post-apocalyptic

Terminator: Resistance
Shared: Post-apocalyptic · RPG · Singleplayer

RAGE
Shared: Post-apocalyptic · Open World · Singleplayer

Enshrouded
Shared: Base Building · Open World · RPG

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

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

BioShock Infinite
Shared: RPG · Singleplayer · Shooter

State of Decay: YOSE
Shared: Base Building · Post-apocalyptic · Open World

Fallout: A Post Nuclear Role Playing Game
Shared: RPG · Post-apocalyptic · Open World

Starfield
Shared: RPG · Singleplayer · Open World

Subnautica
Shared: Open World · Base Building · Singleplayer

DayZ
Shared: Open World · Post-apocalyptic · Survival