IMHO.

Single-player games like Kritter: Defend Together

Below are 8 single-player Steam games similar to Kritter: Defend Together, 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 Kritter: Defend Together page.

Ranked picks

  1. 1
    Space Show edition 17 — Steam game cover

    Space Show edition 17

    Single-player alternative to Kritter: Defend Together — playable solo, no multiplayer required. Shares Action and Indie with Kritter: Defend Together.

    Space Show is an explosive space shoot’em up blending fast-paced arcade action with roguelite progression. Destroy waves of asteroids, battle enemy fleets, and defend Earth in an endless war where only survival… and glory matter!

    2026ActionIndie6.79 USDSingle-playerSimilar games →
  2. 2
    Keep Her Safe — Steam game cover

    Keep Her Safe

    Single-player alternative to Kritter: Defend Together — playable solo, no multiplayer required. Shares Action and Indie with Kritter: Defend Together.

    Keep Her Safe is a survival shooting game. Gather resources, fortify your base, and withstand zombie hordes to keep the rocket project alive and bring an end to the acid rain apocalypse. Besides the hard life in wasteland, you can also chill up with friends in different multiplayer gameplays.

    2026ActionIndieAdventure8.49 USDSingle-playerSimilar games →
  3. 3
    Space Fighter — Steam game cover

    Space Fighter

    Single-player alternative to Kritter: Defend Together — playable solo, no multiplayer required. Shares Action with Kritter: Defend Together.

    Experience the unique mix of modern fast-paced multiplayer action with intuitive twin-stick controls and a retro pixelart look. Battle against other pilots in quick PvP sessions of classic versus and space racing - or team up with friends in Co-op to defend against aliens and hunt difficult bosses.

    2026ActionSingle-playerSimilar games →
  4. 4
    Hover Point — Steam game cover

    Hover Point

    Single-player alternative to Kritter: Defend Together — playable solo, no multiplayer required. Shares Action and Indie with Kritter: Defend Together.

    Hover Point is a physics-based rogue-lite bullet hell where movement is your weapon. Dodge chaotic swarms with auto-fire action, build your skill tree, and climb global leaderboards. Master the chaos solo or in co-op via mouse-only, keyboard-only, or controller-only playstyles.

    2026ActionIndieCasual4.99 USDSingle-playerSimilar games →
  5. 5
    Neon Meltdown — Steam game cover

    Neon Meltdown

    Single-player alternative to Kritter: Defend Together — playable solo, no multiplayer required. Shares Action with Kritter: Defend Together.

    Your own reactor is the thing trying to kill you. Every kill feeds the heat, and the coolant those kills drop is the only thing that vents it — lying exactly where the danger just was. A twin-stick score chase where diving into the crowd is the only way to survive it. Five modes, co-op up to four.

    2026ActionSingle-playerSimilar games →
  6. 6
    Line Defense — Steam game cover

    Line Defense

    Single-player alternative to Kritter: Defend Together — playable solo, no multiplayer required. Shares Action and Indie with Kritter: Defend Together.

    Move or die. Dodge, dash, and build powerful combos to survive relentless enemy waves in this fast-paced arena survival game. Play solo or in chaotic 4-player local co-op.

    2025ActionIndieCasual4.99 USDSingle-playerSimilar games →
  7. 7
    Rogue Star Rescue — Steam game cover

    Rogue Star Rescue

    Single-player alternative to Kritter: Defend Together — playable solo, no multiplayer required. Shares Action and Indie with Kritter: Defend Together.

    Bullet Hell Insanity + Tower Defense Strategy. Rogue Star Rescue is a quirky new type of rogue-like shooter. Blast your way through diverse planets while rescuing your teammates and gathering traps for your defense strategy. Play solo or online to stop the Rogue Star before it annihilates everything!

    2021ActionStrategyIndie14.99 USDSingle-playerSimilar games →
  8. 8
    Alien Swarm: Reactive Drop — Steam game cover

    Alien Swarm: Reactive Drop

    Single-player alternative to Kritter: Defend Together — playable solo, no multiplayer required. Shares Action with Kritter: Defend Together.

    Co-operative top-down shooter game available for free. An epic bug hunt featuring a unique blend of co-op play and squad-level tactics.

    2017ActionFree To PlayFreeSingle-playerSimilar games →