IMHO.

Single-player games like Rooks Keep

Below are 15 single-player Steam games similar to Rooks Keep, 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 Rooks Keep page.

Ranked picks

  1. 1
    Dynamic Breach — Steam game cover

    Dynamic Breach

    Single-player alternative to Rooks Keep — playable solo, no multiplayer required. Shares Action and Indie with Rooks Keep.

    Top-down tactical shooter, military and gothic, necro-technological horror. Requiem: a solo campaign of 33 operations across 6 acts, on hand-made maps. An AI squad to command, 7 classes, 41 weapons. Onslaught: horde mode, a boss every 5 waves. All modes play against bots, offline.

    ActionIndieSingle-playerSimilar games →
  2. 2
    Shoot 'm Up — Steam game cover

    Shoot 'm Up

    Single-player alternative to Rooks Keep — playable solo, no multiplayer required. Shares Action and Indie with Rooks Keep.

    Tactical multiplayer chaos.That's what would describe this game in 3 words. It's fast, it's messy, it's challenging. Do you like blowing up zombies to bits together with your friends? Protecting your base from the enemy team? Grab your gear and start the chaos!

    2021ActionIndie2.99 USDSingle-playerSimilar games →
  3. 3
    Allied Nations — Steam game cover

    Allied Nations

    Single-player alternative to Rooks Keep — playable solo, no multiplayer required. Shares Strategy and Indie with Rooks Keep.

    Allied Nations is an primarily online RPG/RTS akin to games such as Dwarf Fortress and the more modern RimWorld. You are able to easily manage units, wage war, build and roleplay. Through your own wit, might, or sheer luck can you survive this experience? Probably not but give it your best try!

    2018StrategyIndieSimulationFreeSingle-playerSimilar games →
  4. 4
    Beyond Senses — Steam game cover

    Beyond Senses

    Single-player alternative to Rooks Keep — playable solo, no multiplayer required. Shares Action and Strategy with Rooks Keep.

    Beyond Senses is an innovative Multiplayer and Singleplayer Horror Game. Thanks to a variety of different features, Beyond Senses guarantees a varied and adrenaline-charged gameplay - both alone and with friends!

    2020ActionStrategyIndie7.99 USDSingle-playerSimilar games →
  5. 5
    Be Vigilant! — Steam game cover

    Be Vigilant!

    Single-player alternative to Rooks Keep — playable solo, no multiplayer required. Shares Action and Indie with Rooks Keep.

    Be Vigilant! is a multiplayer cooperative action RPG. Take your friends on an adventure across three acts. Use vehicles, find loot, fight enemies, while increasing your characters skills and equipment.

    2022ActionIndieAdventure9.99 USDSingle-playerSimilar games →
  6. 6
    Primordium - Day Zero — Steam game cover

    Primordium - Day Zero

    Single-player alternative to Rooks Keep — playable solo, no multiplayer required. Shares Action and Indie with Rooks Keep.

    Fight for survival in a sci-fi RPG! Take control of the Nexus' Commander and gather companions to grow your team, build bases using a vast array of AAA quality models, and customize your arsenal using countless combinations of modular attachments, items, armor, and weapons!

    2019ActionIndieAdventureFreeSingle-playerSimilar games →
  7. 7
    BattleBeasts — Steam game cover

    BattleBeasts

    Single-player alternative to Rooks Keep — playable solo, no multiplayer required. Shares Action and Indie with Rooks Keep.

    Planet Shima attracts adventure seekers from all over the Galaxy BB-79 due to its unique resources. The mysterious effects on this planet made Artificial Intelligence of Shima aggressive towards all intelligent species of animals.

    2021ActionIndieAdventure4.99 USDSingle-playerSimilar games →
  8. 8
    Flesh Frenzy — Steam game cover

    Flesh Frenzy

    Single-player alternative to Rooks Keep — playable solo, no multiplayer required. Shares Action and Indie with Rooks Keep.

    Flesh Frenzy is a FPS battle game.You fight against zombies, armies and other enemies.Use various weapons to win the war.A level editor is provided in the game.You can unleash your creativity to create unique maps.

    ActionIndieAdventureSingle-playerSimilar games →
  9. 9
    Unreal Tournament 3 — Steam game cover

    Unreal Tournament 3

    Single-player alternative to Rooks Keep — playable solo, no multiplayer required. Shares Action with Rooks Keep.

    Now includes the free Titan Pack expansion! The Titan Pack gives players a substantial amount of enhanced features and new content, including many original environments, new gametypes, the namesake Titan mutator, powerful deployables and weapons, new characters, and the Stealthbender.

    2009ActionSingle-playerSimilar games →
  10. 10
    Viscera Cleanup Detail — Steam game cover

    Viscera Cleanup Detail

    Single-player alternative to Rooks Keep — playable solo, no multiplayer required. Shares Indie with Rooks Keep.

    In Viscera Cleanup Detail, you step into the boots of a space-station janitor tasked with cleaning up after various horrific sci-fi horror events. Instead of machineguns and plasma-rifles, your tools are a mop and bucket. That hero left a mess, and it's up to you to deal with the aftermath.

    2015IndieSimulation12.99 USDDeck PlayableSingle-playerSimilar games →
  11. 11
    Quake II Mission Pack: The Reckoning — Steam game cover

    Quake II Mission Pack: The Reckoning

    Single-player alternative to Rooks Keep — playable solo, no multiplayer required. Shares Action with Rooks Keep.

    You are part of an elite commando force that must infiltrate a hostile alien cite. Once inside, you must scour industrial landscapes, crawl through waterways and air ducts, navigate treacherous canyons teeming with vicious mutants, stow away on an alien spacecraft, and destroy the enemy's secret moon base.

    2007ActionSingle-playerSimilar games →
  12. 12
    Haloo — Steam game cover

    Haloo

    Single-player alternative to Rooks Keep — playable solo, no multiplayer required. Shares Action and Indie with Rooks Keep.

    Fight the endless mass of enemies, collect loot, get stronger and Haloo!

    2024ActionIndie2.99 USDSingle-playerSimilar games →
  13. 13
    The Beckoning — Steam game cover

    The Beckoning

    Single-player alternative to Rooks Keep — playable solo, no multiplayer required. Shares Indie with Rooks Keep.

    Explore an abandoned and decaying village in this immersive first-person psychological horror experience, search forgotten houses and shadowed paths, piece together disturbing clues, and uncover the truth that waits within the suffocating darkness.

    IndieAdventureSingle-playerSimilar games →
  14. 14
    Viscera Cleanup Detail: Santa's Rampage — Steam game cover

    Viscera Cleanup Detail: Santa's Rampage

    Single-player alternative to Rooks Keep — playable solo, no multiplayer required. Shares Indie with Rooks Keep.

    Tragedy! Santa; the toy giving folk-hero, and purveyor of fine Christmas goods, has had enough. Endless requests from greedy children wanting more and more every year, tax increases, pressure from elf unions, bills, reindeer!

    2013IndieSimulationGore2.49 USDDeck PlayableSingle-playerSimilar games →
  15. 15
    Viscera Cleanup Detail: Shadow Warrior — Steam game cover

    Viscera Cleanup Detail: Shadow Warrior

    Single-player alternative to Rooks Keep — playable solo, no multiplayer required. Shares Indie with Rooks Keep.

    After the battle is over, someone has to cleanup the mess! Introducing Viscera Cleanup Detail: Shadow Warrior from RuneStorm, a unique crossover mini-game that combines the worlds of Viscera Cleanup Detail and Shadow Warrior.

    2013IndieSimulationDeck PlayableSingle-playerSimilar games →