IMHO.

Single-player games like Cats on Duty: Prologue

Below are 9 single-player Steam games similar to Cats on Duty: Prologue, 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 Cats on Duty: Prologue page.

Ranked picks

  1. 1
    Cats on Duty — Steam game cover

    Cats on Duty

    Single-player alternative to Cats on Duty: Prologue — playable solo, no multiplayer required. Shares Strategy and Indie with Cats on Duty: Prologue.

    Cats on Duty is a🐱 purr-fect blend of RTS, tower defense, game genres. Manage two game fields, upgrade adorable cat towers, and watch your fluffy warriors bravely defend against foes. 🐾

    2024ActionStrategyIndie3.99 USDDeck VerifiedSingle-playerSimilar games →
  2. 2
    Tactics Greed — Steam game cover

    Tactics Greed

    Single-player alternative to Cats on Duty: Prologue — playable solo, no multiplayer required. Shares Strategy and Indie with Cats on Duty: Prologue.

    Perfect for RTS beginners and veterans alike! 『Tactics Greed』is an action RTS game with deck-building elements. Master unique tactics combining units and magic to climb the global rankings!

    2024ActionStrategyIndie9.99 USDSingle-playerSimilar games →
  3. 3
    Cat Go: Tactical Defense Braw — Steam game cover

    Cat Go: Tactical Defense Braw

    Single-player alternative to Cats on Duty: Prologue — playable solo, no multiplayer required. Shares Strategy and Indie with Cats on Duty: Prologue.

    Cats Go! is a defense game blending strategy, cooperation, and direct combat. Grow mutant plants to protect your village! Whether you prefer to play solo as a brave defender or team up with friends online. Not feeling cooperative? Slip into the role of a devil cat and secretly sabotage the village!

    2025ActionStrategyIndie4.99 USDSingle-playerSimilar games →
  4. 4
    Atom Zombie Smasher — Steam game cover

    Atom Zombie Smasher

    Single-player alternative to Cats on Duty: Prologue — playable solo, no multiplayer required. Shares Strategy and Indie with Cats on Duty: Prologue.

    The zombie apocalypse is upon us and it's up to you to evacuate everyone before they fall prey to the undead. Conduct massive rescue operations with a helping hand from snipers, artillery crews, orbital bombardments, and more.

    2011StrategyIndie9.99 USDSingle-playerSimilar games →
  5. 5
    Xeno Rangers — Steam game cover

    Xeno Rangers

    Single-player alternative to Cats on Duty: Prologue — playable solo, no multiplayer required. Shares Strategy and Indie with Cats on Duty: Prologue.

    In this Coop Platformer Defense game, you must defend your HQ from enemy hordes by building your base and defenses wisely, while you fight using weapons & items acquired and upgraded along the way.

    2025ActionStrategyIndie2.99 USDSingle-playerSimilar games →
  6. 6
    Nuts Protocol — Steam game cover

    Nuts Protocol

    Single-player alternative to Cats on Duty: Prologue — playable solo, no multiplayer required. Shares Strategy and Indie with Cats on Duty: Prologue.

    You might think this is yet another Tower Defense game. Well, friend, you are not wrong! The twist? It's fast-paced! Your greatest resource is positioning - and moving around is a must. Also, you control an orange Squirrel equipped with more-than-military-grade turrets! OMG - can it get any better?

    2022ActionStrategyIndie3.99 USDSingle-playerSimilar games →
  7. 7
    Attack on Toys — Steam game cover

    Attack on Toys

    Single-player alternative to Cats on Duty: Prologue — playable solo, no multiplayer required. Shares Strategy and Indie with Cats on Duty: Prologue.

    Relive Your Childhood Toys comes to life! Build your Army Toys, make battle scenario, watch the Toys battling each other, and customize your play with Attack on Toys Toy Box. Command your Army Toys to fight againts another toys strategically and keep them alive during battle!

    2021ActionStrategyIndie6.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Castle Combat — Steam game cover

    Castle Combat

    Single-player alternative to Cats on Duty: Prologue — playable solo, no multiplayer required. Shares Strategy and Casual with Cats on Duty: Prologue.

    RTS, but the soldiers will act automatically: Each soldier has different characteristics/attribute values/action methods. Choose the appropriate soldiers and buildings according to the battlefield situation, and destroy the opponent's castle only through your strategy rather than operation!

    2025StrategyCasual2.99 USDSingle-playerSimilar games →
  9. 9
    DRAWER — Steam game cover

    DRAWER

    Single-player alternative to Cats on Duty: Prologue — playable solo, no multiplayer required. Shares Indie and Casual with Cats on Duty: Prologue.

    An arcade racing game with indirect controls. Take on the role rally car co-pilot, when the pilot himself isn’t there O_O Develop your spatial thinking and fine motor skills, beat other players’ records and, most importantly, have fun!

    2022IndieCasualRacing3.99 USDSingle-playerSimilar games →