IMHO.

Single-player games like Quintillion Quest

Below are 8 single-player Steam games similar to Quintillion Quest, 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 Quintillion Quest page.

Ranked picks

  1. 1
    Rejected Draft — Steam game cover

    Rejected Draft

    Single-player alternative to Quintillion Quest — playable solo, no multiplayer required. Shares Strategy and Indie with Quintillion Quest.

    You are a flawed doodle thrown in the trash. Battle rival sketches in an idle climb for revenge. Every enemy is drawn by community artists, with alternate versions and direct credits. In an unusual twist on builds, choose which enemies appear in your world, then defeat them to absorb their powers.

    2026StrategyIndieSimulationSingle-playerSimilar games →
  2. 2
    Monster Masher — Steam game cover

    Monster Masher

    Single-player alternative to Quintillion Quest — playable solo, no multiplayer required. Shares Strategy and Indie with Quintillion Quest.

    Drop monsters. Merge monsters. Pray the pit doesn't overflow. Monster Masher is a cozy-yet-chaotic puzzle game where matching creatures fuse into bigger beasts. Build combos, fight bosses, and pretend you're not addicted. You are though. Fr fr.

    2026ActionStrategyIndie4.49 USDSingle-playerSimilar games →
  3. 3
    Dig n Fight — Steam game cover

    Dig n Fight

    Single-player alternative to Quintillion Quest — playable solo, no multiplayer required. Shares Indie and Casual with Quintillion Quest.

    Dig n Fight is a roguelite idle game with backpack management. Equip yourself with treasures, skills, and runes to defeat your foes and bring back all the loot.

    IndieRPGCasualSingle-playerSimilar games →
  4. 4
    Legends of Wasteland — Steam game cover

    Legends of Wasteland

    Single-player alternative to Quintillion Quest — playable solo, no multiplayer required. Shares Strategy and Indie with Quintillion Quest.

    Legends of Wastelands is an idle RPG where you shape your hero’s growth. Choose among six classes, master 100+ skills, and combine talents and gems for unique synergies. Idle for rewards or dive into boss fights and shifting wastelands, with pets and gear adding endless build variety.

    2026ActionStrategyIndie5.94 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Dwarf Eats Mountain — Steam game cover

    Dwarf Eats Mountain

    Single-player alternative to Quintillion Quest — playable solo, no multiplayer required. Shares Strategy and Indie with Quintillion Quest.

    Dwarves hunger for gold, and no mountain shall stand in their way! Mine riches, unearth artifacts, and upgrade your dwarves to devour ever-bigger peaks in this whimsical incremental game.

    2026StrategyIndieSimulation8.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Hero Tale — Steam game cover

    Hero Tale

    Single-player alternative to Quintillion Quest — playable solo, no multiplayer required. Shares Indie and Casual with Quintillion Quest.

    A relaxing auto-battler running in the background. Watch your combat experience grow and occasionally develop the massive skill tree and upgrade your equipment to explore secrets of the island.

    2024IndieRPGFree To Play4.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Tower Wizard — Steam game cover

    Tower Wizard

    Single-player alternative to Quintillion Quest — playable solo, no multiplayer required. Shares Strategy and Indie with Quintillion Quest.

    Help a wizard build and upgrade a wizard tower in this incremental game! Use the tower to study magic, summon spirits, create buildings, and influence the world.

    2025StrategyIndieSimulation2.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Scritchy Scratchy — Steam game cover

    Scritchy Scratchy

    Single-player alternative to Quintillion Quest — playable solo, no multiplayer required. Shares Indie and Casual with Quintillion Quest.

    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 →