IMHO.

Single-player games like Shelldiver

Below are 17 single-player Steam games similar to Shelldiver, 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 Shelldiver page.

Ranked picks

  1. 1
    Scritchy Scratchy — Steam game cover

    Scritchy Scratchy

    Single-player alternative to Shelldiver — playable solo, no multiplayer required.

    Scritchy Scratchy is a super-satisfying scratch card incremental game. Buy stacks of scratch-offs, unlock auto-scratching, and chase massive jackpots. Will you play it safe or go all-in?

    2026IndieSimulationCasual5.59 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Lyca — Steam game cover

    Lyca

    Single-player alternative to Shelldiver — playable solo, no multiplayer required.

    A small, relaxing, incremental game about restoring a barren wasteland into a lush meadow. Help the magical wolf Lyca run through the land, gather resources, and unlock a vast upgrade tree.

    2025StrategyIndieSimulation4.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Gamblers Table — Steam game cover

    Gamblers Table

    Single-player alternative to Shelldiver — playable solo, no multiplayer required.

    Gamblers Table is an incremental game where you toss coins to earn money. Buy bigger and better coins, unlock upgrades and hire little helpers to automate the process and take care of all the busy flipping work for you. Simple. Satisfying. Strangely compelling...

    2026StrategyIndieSimulation6.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    A Game About Feeding A Black Hole — Steam game cover

    A Game About Feeding A Black Hole

    Single-player alternative to Shelldiver — playable solo, no multiplayer required.

    A short incremental game about feeding a Black Hole matter by destroying Asteroids, Planets, and Stars.

    2025IndieCasual6.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    DEFRAG — Steam game cover

    DEFRAG

    Single-player alternative to Shelldiver — playable solo, no multiplayer required.

    DEFRAG is a game about cleansing corrupted sectors and refining them through optimization to build a stronger system. Collect resources, adjust configurations, and complete your build as you progress.

    2025StrategyIndieSimulation2.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    castle idler — Steam game cover

    castle idler

    Single-player alternative to Shelldiver — playable solo, no multiplayer required.

    castle idler is a short, relaxing incremental tower defense game with no waves. upgrade towers, collect coins, and unlock powerful prestige upgrades to defend your castle.

    2026StrategyCasual3.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    The Greenening — Steam game cover

    The Greenening

    Single-player alternative to Shelldiver — playable solo, no multiplayer required.

    A short and wholesome incremental journey about exploring and reawakening a forgotten world. Wash away the ashes to discover the secrets hidden beneath, upgrade your versatile watering abilities, and grow your own cozy space garden.

    2026StrategyIndieSimulation3.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Piñata Go Boom — Steam game cover

    Piñata Go Boom

    Single-player alternative to Shelldiver — playable solo, no multiplayer required.

    A small incremental game about smashing piñatas, collecting toys, and climbing the corporate ladder as you unlock a vast upgrade tree.

    2025StrategyIndieSimulation3.99 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    Cookie Clicker — Steam game cover

    Cookie Clicker

    Single-player alternative to Shelldiver — playable solo, no multiplayer required.

    An idle game about making cookies! Originally released in 2013 on the web, and actively developed since then. This is the official version for Steam.

    2021StrategyIndieSimulation4.99 USDDeck PlayableSingle-playerSimilar games →
  10. 10
    Rocket Rats — Steam game cover

    Rocket Rats

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

    Rocket Rats is a survivors-like game where you defeat cheese-based astral bodies in space – as a rat! Clear waves of enemies, collect cheese, upgrade your gear, and conquer the moon!

    2024ActionCasual5.99 USDDeck VerifiedSingle-playerSimilar games →
  11. 11
    Doomed to Hell — Steam game cover

    Doomed to Hell

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

    Doomed to Hell is a roguelike-like top-down shooter where you play as Rose, a human in hell who will need to fight all of its monsters in waves of enemies, defeat bosses, and get new weapons to earn back his life on earth.

    2022ActionAdventure11.99 USDDeck PlayableSingle-playerSimilar games →
  12. 12
    Archaeogem — Steam game cover

    Archaeogem

    Single-player alternative to Shelldiver — playable solo, no multiplayer required. Shares Adventure with Shelldiver.

    Hats up and whips out; the wilderness' mysteries await! Explore lush biomes, use your trusty whip to extract wild flowers' mystic powers, and collect rare gems in this dynamic precision-platformer. Unearth archaeological marvels and become a legend!

    2024Adventure9.99 USDDeck VerifiedSingle-playerSimilar games →
  13. 13
    Toroom — Steam game cover

    Toroom

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

    Toroom is a dungeon crawler roguelike-like top-down shooter, where the protagonist just wants to come back to his bedroom after waking up in a world of fantasy. Fight your way through multiple biomes, clear rooms full of enemies, get as much loot as possible and defeat the bosses in your way.

    2021ActionAdventure11.99 USDSingle-playerSimilar games →
  14. 14
    Colorful Colore — Steam game cover

    Colorful Colore

    Single-player alternative to Shelldiver — playable solo, no multiplayer required.

    Colorful Colore is a Puzzle Labyrinth game, where your objective is to get in the exit matching the correct colors in the way.

    2020StrategyIndieCasual2.99 USDSingle-playerSimilar games →
  15. 15
    Gemini — Steam game cover

    Gemini

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

    Gemini is an action tower defense game, where your goal is to protect the crystal and stay alive.

    2020ActionStrategyIndie7.99 USDSingle-playerSimilar games →
  16. 16
    Wizodd — Steam game cover

    Wizodd

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

    Wizodd is a dungeon crawler roguelike game where you find various equipment and upgrades while encountering dangerous monsters and bosses to advance down to the lower floors.

    2020ActionIndieAdventure4.99 USDDeck PlayableSingle-playerSimilar games →
  17. 17
    Bob Help Them — Steam game cover

    Bob Help Them

    Single-player alternative to Shelldiver — playable solo, no multiplayer required.

    Bob Help Them is a timer-based game, where your goal is to help all NPC's before the timer ends.

    2020StrategyIndieCasual5.99 USDSingle-playerSimilar games →