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

ATOM RPG: Post-apocalyptic indie game
Shared: CRPG · Exploration · Turn-Based

ATOM RPG: Trudograd
Shared: CRPG · RPG · Survival

Fallout 4
Shared: Exploration · RPG · Post-apocalyptic

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

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

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: RPG · Survival · Sandbox

UnderRail
Shared: RPG · CRPG · Post-apocalyptic

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

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

Project Zomboid
Shared: Survival · Post-apocalyptic · Sandbox

The Long Dark
Shared: Survival · Exploration · Open World

Wasteland 3
Shared: CRPG · RPG · Post-apocalyptic

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

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

Baldur's Gate 3
Shared: RPG · CRPG · Turn-Based Combat

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

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

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

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

Dune: Awakening
Shared: Exploration · Survival · Sandbox

Pillars of Eternity
Shared: RPG · CRPG · Isometric