Games like Arkansas 2125
Games like Arkansas 2125 include Warhammer 40,000: Rogue Trader, Baldur's Gate 3, Wasteland 2: Director's Cut, Disco Elysium - The Final Cut, and Fallout 4. We matched them by the tags players give Arkansas 2125 on Steam (RPG, Turn-Based Strategy, CRPG, 3D, and Post-apocalyptic): closest matches first, and among equally close ones the better-known games.

Warhammer 40,000: Rogue Trader
Shared: RPG · CRPG · Turn-Based Strategy

Baldur's Gate 3
Shared: RPG · Choices Matter · CRPG

Wasteland 2: Director's Cut
Shared: RPG · Post-apocalyptic · CRPG

Disco Elysium - The Final Cut
Shared: RPG · Choices Matter · CRPG

Fallout 4
Shared: RPG · Post-apocalyptic · Singleplayer

Pathfinder: Kingmaker - Enhanced Plus Edition
Shared: RPG · CRPG · Choices Matter

Esoteric Ebb
Shared: RPG · CRPG · Choices Matter

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

The Witcher 3: Wild Hunt — Remastered
Shared: RPG · Choices Matter · Singleplayer

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

Quasimorph
Shared: RPG · Turn-Based Strategy · Choices Matter

UnderRail
Shared: RPG · CRPG · Post-apocalyptic

Tyranny
Shared: RPG · CRPG · Choices Matter

Wasteland 3
Shared: CRPG · RPG · Choices Matter

LISA: The Painful
Shared: RPG · Post-apocalyptic · Choices Matter

Expeditions: Rome
Shared: RPG · Turn-Based Strategy · CRPG

Shadow Gambit: The Cursed Crew
Shared: RPG · CRPG · Choices Matter

Solasta II
Shared: CRPG · Singleplayer · RPG

Solasta: Crown of the Magister
Shared: RPG · Choices Matter · Turn-Based Strategy

The Banner Saga 2
Shared: RPG · Turn-Based Strategy · Choices Matter

Pillars of Eternity II: Deadfire
Shared: RPG · CRPG · Choices Matter

ELEX
Shared: RPG · Post-apocalyptic · Singleplayer

Torment: Tides of Numenera
Shared: RPG · CRPG · Choices Matter

Undertale
Shared: RPG · Choices Matter · Indie