Games like ATOM RPG: Post-apocalyptic indie game
Games like ATOM RPG: Post-apocalyptic indie game include ATOM RPG: Trudograd, Fallout 4, Wasteland 2: Director's Cut, Encased: A Sci-Fi Post-Apocalyptic RPG, and Fallout 2: A Post Nuclear Role Playing Game. We matched them by the tags players give ATOM RPG: Post-apocalyptic indie game on Steam (CRPG, Exploration, Turn-Based, Survival, and RPG): closest matches first, and among equally close ones the better-known games.

ATOM RPG: Trudograd
Shared: CRPG · Survival · RPG

Fallout 4
Shared: Exploration · Post-apocalyptic · RPG

Wasteland 2: Director's Cut
Shared: Turn-Based · RPG · CRPG

Encased: A Sci-Fi Post-Apocalyptic RPG
Shared: CRPG · RPG · Post-apocalyptic

Fallout 2: A Post Nuclear Role Playing Game
Shared: RPG · Post-apocalyptic · Turn-Based

Fallout: A Post Nuclear Role Playing Game
Shared: RPG · Post-apocalyptic · Turn-Based

Fallout: New Vegas
Shared: RPG · Post-apocalyptic · Exploration

Kenshi
Shared: Survival · RPG · Sandbox

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

UnderRail
Shared: CRPG · RPG · Turn-Based

The Long Dark
Shared: Survival · Exploration · Open World

7 Days to Die
Shared: Survival · Post-apocalyptic · Exploration

Project Zomboid
Shared: Survival · Post-apocalyptic · Sandbox

Wasteland 3
Shared: CRPG · RPG · Post-apocalyptic

Pillars of Eternity II: Deadfire
Shared: CRPG · RPG · Isometric

Dune: Awakening
Shared: Exploration · Survival · Sandbox

Core Keeper
Shared: Exploration · Survival · Sandbox

Divinity: Original Sin (Classic)
Shared: Turn-Based · RPG · CRPG

Terraria
Shared: Survival · Sandbox · Exploration

Dead State: Reanimated
Shared: Survival · Turn-Based · RPG

Divinity: Original Sin - Enhanced Edition
Shared: Turn-Based · RPG · CRPG

Mutant Year Zero: Road to Eden
Shared: RPG · Post-apocalyptic · Turn-Based

Conan Exiles Enhanced
Shared: Survival · RPG · Open World

Disco Elysium - The Final Cut
Shared: RPG · CRPG · Isometric