Single-player games like RolemIAster
Below are 8 single-player Steam games similar to RolemIAster, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like RolemIAster page.
Ranked picks
- 1

Null State
Single-player alternative to RolemIAster — playable solo, no multiplayer required. Shares Indie and RPG with RolemIAster.
You are a hacker - a rarity in a world nearly destroyed by a cascading global systems failure. Prowl through networks node by node, disabling their security in risky turn-based combat, as you explore branching storylines to uncover what caused Obsidian Wednesday.
- 2

Witch Hunters
Single-player alternative to RolemIAster — playable solo, no multiplayer required. Shares Indie and Adventure with RolemIAster.
A Narrative Roguelite Detective RPG where every choice matters. Explore Oakwood Manor, interrogate suspects, uncover clues, and reveal the truth behind a demonic presence hidden among the living. Each playthrough may uncover a different truth.
- 3

EverWorld
Single-player alternative to RolemIAster — playable solo, no multiplayer required. Shares Indie and Adventure with RolemIAster.
EverWorld is a procedurally generated adventure life sim with deeply simulated artificial intelligence.
- 4

Kardiya: The Winds of Fate
Single-player alternative to RolemIAster — playable solo, no multiplayer required. Shares RPG with RolemIAster.
Rogue-lite RPG Dicebuilding game. Roll the dice, choose your companions, organize your gear, explore all of Kardia, and die. Then try again! Try again and again. Experience a different story each time. Until you find The Winds of Fate.
- 5

Exo's CYOA
Single-player alternative to RolemIAster — playable solo, no multiplayer required. Shares Indie and Adventure with RolemIAster.
Exo's CYOA is an LLM-driven choose-your-own-adventure that adapts to you. Guide a party through dangerous places, talk to characters, inspect the world, collect gear, craft solutions, and make choices that reshape the narrative. You describe your next move, and the game responds with new narration.
- 6

DREAMIO: AI-Powered Adventures
Single-player alternative to RolemIAster — playable solo, no multiplayer required. Shares Indie and Adventure with RolemIAster.
DREAMIO is a 'choose-your-own-adventure' game where stories and visuals are dynamically created through the power of generative AI in response to your decisions. Explore endless worlds with limitless possibilities; go anywhere, do anything.
- 7

Cataclysm: The Last Generation
Single-player alternative to RolemIAster — playable solo, no multiplayer required. Shares Adventure and Simulation with RolemIAster.
A post-apocalyptic roguelike set in modern-day New England. Scavenge tools to craft an arsenal capable of dealing with the ever-evolving hordes of zombies, mutants, aliens, and robots in one of the deepest survival sims around.
- 8

Gamedec - Definitive Edition
Single-player alternative to RolemIAster — playable solo, no multiplayer required. Shares Indie and Adventure with RolemIAster.
Gamedec is a single-player cyberpunk isometric RPG. You are a game detective, who solves crimes inside virtual worlds. Use your wits to gather info from your witnesses and suspects, getting to the bottom of deceptive schemes. The game continually adapts to your decisions and never judges.