IMHO.

Single-player games like Slayer Cat

Below are 8 single-player Steam games similar to Slayer Cat, 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 Slayer Cat page.

Ranked picks

  1. 1
    Mow That Lawn — Steam game cover

    Mow That Lawn

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

    Action-packed sidescrolling gardening-shooter, with colorful comicbook-style graphics and gameplay inspired by the arcade-machines of the early 80's. Mow that lawn, jump over the holes and don't let piles of dirt, animals, drones-with-water-balloons or mischievous friends, get in your way.

    2024ActionIndie2.99 USDSingle-playerSimilar games →
  2. 2
    Super Catboy — Steam game cover

    Super Catboy

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

    Super Catboy is an action-packed platformer created in a high-bit pixel art style, combining the best elements of the golden 16-bit platformer era of the 90s with some ‘pawsome’ new mechanics! And let’s not forget; there’s plenty of CAT CONTENT!

    2023ActionIndieAdventure9.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    GIGANTIC ARMY — Steam game cover

    GIGANTIC ARMY

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

    Side-scrolling mech-shooting bad-assery is BACK!GIGANTIC ARMY is a heartfelt homage to 16-bit era mech shooters such as Cybernator / Assault Suits Valken, Metal Warriors, and Front Mission: Gun Hazard, developed by the studio behind the acclaimed shooter SATAZIUS.

    2014ActionIndie2.99 USDSingle-playerSimilar games →
  4. 4
    Guns of Fury — Steam game cover

    Guns of Fury

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

    Guns of Fury is a retro-inspired action platformer that combines the run & gun and Metroidvania genres. Explore a vast interconnected world, gain new abilities and weapons, battle epic bosses and stop the plans of an evil corporation before it’s too late!

    2025ActionIndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Downwell — Steam game cover

    Downwell

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

    Downwell is a curious game about a young person venturing down a well in search of untold treasures with only his Gunboots to protect him.

    2015ActionIndieAdventure2.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Kero Blaster — Steam game cover

    Kero Blaster

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

    C&F Inc. teleporters are going offline all over the place, and it's up to an intrepid frog employee to fix the situation.

    2015ActionIndieAdventure9.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Warhammer 40,000: Shootas, Blood & Teef — Steam game cover

    Warhammer 40,000: Shootas, Blood & Teef

    Single-player alternative to Slayer Cat — playable solo, no multiplayer required. Shares Action and Adventure with Slayer Cat.

    From the developers of the Guns, Gore and Cannoli franchise comes a new 2D run & gun platformer: Warhammer 40,000: Shootas, Blood & TEEF! Spearhead an Ork invasion, destroy the hive city and kill your warboss! ‘Ere we go!

    2022ActionAdventure19.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    99 Levels To Hell — Steam game cover

    99 Levels To Hell

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

    99 Levels to Hell is a platform shooter with lots of guns, upgrades, magic, traps and monsters to kill. 99 Levels to Hell is a rogue-like, which means surviving is key and every time you play you get a new set of levels to play. When you complete 10 levels, the 10th being a boss-fight you unlock a door to the next dungeon.

    2014ActionIndieAdventure4.99 USDSingle-playerSimilar games →