IMHO.

Single-player games like ATOM RPG: Post-apocalyptic indie game

Below are 15 single-player Steam games similar to ATOM RPG: Post-apocalyptic indie game, 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 ATOM RPG: Post-apocalyptic indie game page.

Ranked picks

  1. 1
    ATOM RPG Trudograd — Steam game cover

    ATOM RPG Trudograd

    Single-player alternative to ATOM RPG: Post-apocalyptic indie game — playable solo, no multiplayer required. Shares RPG with ATOM RPG: Post-apocalyptic indie game.

    ATOM RPG: Trudograd is a turn-based post-apocalyptic roleplaying game, which continues the story of ATOM RPG as a stand-alone sequel/expansion, and follows the traditions set by classic cRPGs such as the early Fallout and Wasteland titles.

    2021RPG10.99 USDDeck VerifiedSingle-playerSimilar games →
  2. 2
    Fallout 2: A Post Nuclear Role Playing Game — Steam game cover

    Fallout 2: A Post Nuclear Role Playing Game

    Single-player alternative to ATOM RPG: Post-apocalyptic indie game — playable solo, no multiplayer required. Shares RPG with ATOM RPG: Post-apocalyptic indie game.

    Fallout® 2 is the sequel to the critically acclaimed game that took RPG'ing out of the dungeons and into a dynamic, apocalyptic retro-future. It's been 80 long years since your ancestors trod across the wastelands.

    2009RPG9.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Encased: A Sci-Fi Post-Apocalyptic RPG — Steam game cover

    Encased: A Sci-Fi Post-Apocalyptic RPG

    Single-player alternative to ATOM RPG: Post-apocalyptic indie game — playable solo, no multiplayer required. Shares RPG with ATOM RPG: Post-apocalyptic indie game.

    A tactical sci-fi RPG set in an alternative 1970's, where an enormous and inexplicable artifact –the Dome– is discovered in a remote desert. Fight enemies, explore the anomalous wasteland, level up your character, join one of the forces in the ruined world.

    2021StrategyIndieAdventure29.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Wasteland 3 — Steam game cover

    Wasteland 3

    Single-player alternative to ATOM RPG: Post-apocalyptic indie game — playable solo, no multiplayer required. Shares RPG with ATOM RPG: Post-apocalyptic indie game.

    Following the critically acclaimed 2014 Game of the Year winner Wasteland 2, the RPG series that pioneered the post-apocalyptic genre in video games returns with Wasteland 3.

    2020StrategyRPG39.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Divinity: Original Sin - Enhanced Edition — Steam game cover

    Divinity: Original Sin - Enhanced Edition

    Single-player alternative to ATOM RPG: Post-apocalyptic indie game — playable solo, no multiplayer required. Shares RPG with ATOM RPG: Post-apocalyptic indie game.

    Gather your party and get ready for the kick-ass new version of GameSpot's PC Game of the Year 2014. With hours of new content, new game modes, full voiceovers, split-screen multiplayer, and thousands of improvements, there's never been a better time to explore the epic world of Rivellon!

    2015StrategyIndieAdventure39.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Wasteland 2: Director's Cut — Steam game cover

    Wasteland 2: Director's Cut

    Single-player alternative to ATOM RPG: Post-apocalyptic indie game — playable solo, no multiplayer required. Shares RPG with ATOM RPG: Post-apocalyptic indie game.

    From the producer of the original Fallout comes Wasteland 2. With over 80 hours of gameplay, deck out your Ranger squad with devastating weaponry, test the limits of your strategy skills, and bring justice to the Wasteland! The choices are yours…but so are the consequences.

    2014StrategyIndieAdventure29.99 USDSingle-playerSimilar games →
  7. 7
    Expeditions: Conquistador — Steam game cover

    Expeditions: Conquistador

    Single-player alternative to ATOM RPG: Post-apocalyptic indie game — playable solo, no multiplayer required. Shares RPG with ATOM RPG: Post-apocalyptic indie game.

    Conquer the New world: In the 16th Century, Spanish explorers and soldiers reached the shores of America. The search for gold, fame, and adventure drove these travelers into a treacherous wilderness where they faced hunger, disease, and dangerous predators. In their wake, the Aztec Empires lay in ruins.

    2013StrategyIndieRPG19.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    UnderRail — Steam game cover

    UnderRail

    Single-player alternative to ATOM RPG: Post-apocalyptic indie game — playable solo, no multiplayer required. Shares RPG with ATOM RPG: Post-apocalyptic indie game.

    UnderRail is an old-school turn-based isometric role-playing game that features a large open post-apocalyptic world, deep and challenging combat and an intricate storyline.

    2015IndieRPG14.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Fallout 4 — Steam game cover

    Fallout 4

    Single-player alternative to ATOM RPG: Post-apocalyptic indie game — playable solo, no multiplayer required. Shares RPG with ATOM RPG: Post-apocalyptic indie game.

    From Bethesda Game Studios, the award-winning creators of Starfield and The Elder Scrolls V: Skyrim, comes Fallout 4. A landmark in open-world RPG design and winner of over 200 ‘Best Of’ honors, including the DICE and BAFTA Game of the Year.

    2015RPG19.99 USDDeck VerifiedSingle-playerSimilar games →
  10. 10
    Fallout: New Vegas — Steam game cover

    Fallout: New Vegas

    Single-player alternative to ATOM RPG: Post-apocalyptic indie game — playable solo, no multiplayer required. Shares RPG with ATOM RPG: Post-apocalyptic indie game.

    Welcome to Vegas. New Vegas. Enjoy your stay!

    2010ActionRPG9.99 USDDeck PlayableSingle-playerSimilar games →
  11. 11
    Project Zomboid — Steam game cover

    Project Zomboid

    Single-player alternative to ATOM RPG: Post-apocalyptic indie game — playable solo, no multiplayer required. Shares RPG with ATOM RPG: Post-apocalyptic indie game.

    Project Zomboid is the ultimate in zombie survival. Alone or in MP: you loot, build, craft, fight, farm and fish in a struggle to survive. A hardcore RPG skillset, a vast map, massively customisable sandbox and a cute tutorial raccoon await the unwary. So how will you die? All it takes is a bite..

    2013IndieSimulationRPG19.99 USDDeck VerifiedSingle-playerSimilar games →
  12. 12
    Wasteland 2: Director's Cut — Steam game cover

    Wasteland 2: Director's Cut

    Single-player alternative to ATOM RPG: Post-apocalyptic indie game — playable solo, no multiplayer required. Shares RPG with ATOM RPG: Post-apocalyptic indie game.

    From the producer of the original Fallout comes Wasteland 2. With over 80 hours of gameplay, deck out your Ranger squad with devastating weaponry, test the limits of your strategy skills, and bring justice to the Wasteland! The choices are yours…but so are the consequences.

    2014StrategyIndieAdventure29.99 USDDeck PlayableSingle-playerSimilar games →
  13. 13
    Fae Tactics — Steam game cover

    Fae Tactics

    Single-player alternative to ATOM RPG: Post-apocalyptic indie game — playable solo, no multiplayer required. Shares RPG with ATOM RPG: Post-apocalyptic indie game.

    In Fae Tactics, follow a young magic user named Peony on her journey across a vibrant world full of mystery and danger. Summon allies, cast spells, and befriend a motley crew of characters as you dive into the growing conflicts between man and magical beings known as fae.

    2020StrategyRPG19.99 USDDeck VerifiedSingle-playerSimilar games →
  14. 14
    Swordhaven: Iron Conspiracy — Steam game cover

    Swordhaven: Iron Conspiracy

    Single-player alternative to ATOM RPG: Post-apocalyptic indie game — playable solo, no multiplayer required. Shares RPG with ATOM RPG: Post-apocalyptic indie game.

    Swordhaven is a party‑based low‑magic fantasy cRPG with a deep character creation system, rich storytelling, and seamless turn‑based/RTwP combat. Explore Nova Drakonia, uncover ancient secrets, meet hundreds of NPCs with unique quests, and shape the fate of the world through your choices.

    2025AdventureRPG24.99 USDDeck VerifiedSingle-playerSimilar games →
  15. 15
    Bombagun — Steam game cover

    Bombagun

    Single-player alternative to ATOM RPG: Post-apocalyptic indie game — playable solo, no multiplayer required.

    A deceptively simple, post-apocalyptic style card game that you can play both online and offline!

    2022Free To PlayCasualFreeSingle-playerSimilar games →