IMHO.

Single-player games like Mushrooms vs Engineers

Below are 8 single-player Steam games similar to Mushrooms vs Engineers, 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 Mushrooms vs Engineers page.

Ranked picks

  1. 1
    Super Station Swarm — Steam game cover

    Super Station Swarm

    Single-player alternative to Mushrooms vs Engineers — playable solo, no multiplayer required. Shares Action and Indie with Mushrooms vs Engineers.

    A space station, infinite waves, and a screen full of vector geometry trying to kill you. Your turrets auto-fire. Your satellites orbit. This is bullet-hell-yeah. In-game and permanent upgrades. 17 upgrade types across 9 weapon classes. Play, upgrade, repeat.

    2026ActionIndieCasual1.99 USDSingle-playerSimilar games →
  2. 2
    Bug Drop — Steam game cover

    Bug Drop

    Single-player alternative to Mushrooms vs Engineers — playable solo, no multiplayer required. Shares Action and Indie with Mushrooms vs Engineers.

    Fight, upgrade, and survive in a fast-paced top-down action roguelite where 20 unique heroes with special traits, weapons and abilities take on the swarm of alien bugs.

    2026ActionIndieSingle-playerSimilar games →
  3. 3
    Pesticide Not Required — Steam game cover

    Pesticide Not Required

    Single-player alternative to Mushrooms vs Engineers — playable solo, no multiplayer required. Shares Action with Mushrooms vs Engineers.

    Mow down countless crops and corrupt critters while crafting game-breaking builds! Pesticide Not Required is an action roguelite bullet heaven game with farming sim elements that offers a myriad of stats and special character traits to create wildly diverse run possibilities.

    2024Action3.57 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Kitty's Last Adventure — Steam game cover

    Kitty's Last Adventure

    Single-player alternative to Mushrooms vs Engineers — playable solo, no multiplayer required. Shares Action and Casual with Mushrooms vs Engineers.

    Cute Survivor where you play as Kitty the cat aboard her flying cat-saucer🛸 created by her distraught human.

    2025ActionCasual4.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Gacha Fever — Steam game cover

    Gacha Fever

    Single-player alternative to Mushrooms vs Engineers — playable solo, no multiplayer required. Shares Action and Indie with Mushrooms vs Engineers.

    Gacha Fever is a suvivors like in a cute and colorful universe. You will fight waves of monsters with various weapons, from the machine gun to the magical girl wand and the Bubble Tea Canon ! Just be careful of the area !

    2024ActionIndieRPG4.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Vital Shell — Steam game cover

    Vital Shell

    Single-player alternative to Mushrooms vs Engineers — playable solo, no multiplayer required. Shares Action with Mushrooms vs Engineers.

    Vital Shell is a single player top-down arena shooter that puts you in control of mechs inspired by classic fantasy archetypes. Unlock powerful synergies with unique weapons, traits, and abilities as you take on increasingly challenging waves of enemies in a shattered realm.

    2026ActionRPG5.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Antipaint — Steam game cover

    Antipaint

    Single-player alternative to Mushrooms vs Engineers — playable solo, no multiplayer required. Shares Action and Indie with Mushrooms vs Engineers.

    An action-packed roguelite shooter where you battle famous works of art and each level you beat becomes a masterpiece to add to your colorful collection.

    2024ActionIndieCasual3.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Gatekeeper — Steam game cover

    Gatekeeper

    Single-player alternative to Mushrooms vs Engineers — playable solo, no multiplayer required. Shares Action and Indie with Mushrooms vs Engineers.

    Gatekeeper is a fast-paced rogue-like. Go on a quest to chase down Chaos and reclaim the stolen Heart of Time, fighting your way through relentless enemy forces. Play solo or in 4-player co-op and become the next Gatekeeper!

    2025ActionIndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →