IMHO.

Single-player games like Crystal Harvest: Apex Operator

Below are 13 single-player Steam games similar to Crystal Harvest: Apex Operator, 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 Crystal Harvest: Apex Operator page.

Ranked picks

  1. 1
    Stellar Freight: Endless Horizon — Steam game cover

    Stellar Freight: Endless Horizon

    Single-player alternative to Crystal Harvest: Apex Operator — playable solo, no multiplayer required. Shares Strategy and Indie with Crystal Harvest: Apex Operator.

    Embark on a Sci-fi Roguelike Turn-based RPG with Tactical combat. Become a Captain of a freight ship, deliver cargo through deep space, manage your crew, upgrade your ship, fight space warships, and build your reputation. Every day brings a new adventure. Space shows no mercy.

    2026StrategyIndieAdventureSingle-playerSimilar games →
  2. 2
    Crop Dead — Steam game cover

    Crop Dead

    Single-player alternative to Crystal Harvest: Apex Operator — playable solo, no multiplayer required. Shares Action and Indie with Crystal Harvest: Apex Operator.

    You aren’t quite dead yet, but you're slipping. Play as a ghost defending your own comatose body from endless hordes of ravenous enemies. Plant magical crops, harvest bizarre weapons, and cultivate an automated defense of undead flora to survive the tower and complete your resurrection ritual!

    2026ActionIndieAdventureSingle-playerSimilar games →
  3. 3
    Hero Chest — Steam game cover

    Hero Chest

    Single-player alternative to Crystal Harvest: Apex Operator — playable solo, no multiplayer required. Shares Action and Indie with Crystal Harvest: Apex Operator.

    In a role reversal in Hero Chest, take control of a chest tired of being looted and frighten the heroes back to their guilds! Create your way with the cards, ally with the monsters, save the chests and earn gold Have fun with the perfect combination of Roguelike, Dungeon Crawler and Card Game!

    2027ActionIndieAdventureSingle-playerSimilar games →
  4. 4
    ULTRA MEGA DRILL — Steam game cover

    ULTRA MEGA DRILL

    Single-player alternative to Crystal Harvest: Apex Operator — playable solo, no multiplayer required. Shares Indie and Simulation with Crystal Harvest: Apex Operator.

    Buy geodes, crack their weak points, find rare crystals and artifacts, and build an automated processing line in this 2D incremental game.

    2026IndieSimulationCasualSingle-playerSimilar games →
  5. 5
    The Subminer — Steam game cover

    The Subminer

    Single-player alternative to Crystal Harvest: Apex Operator — playable solo, no multiplayer required. Shares Action and Indie with Crystal Harvest: Apex Operator.

    An atmospheric underwater drilling roguelite beneath the icy crust of Enceladus. Pilot your submarine, explore the depths, mine resources through procedural caves and upgrade your base. Each dive is darker and more dangerous, and you must face the terrors lurking in the shadows. Live. Dive. Repeat.

    2026ActionIndieSingle-playerSimilar games →
  6. 6
    Wall World 2 — Steam game cover

    Wall World 2

    Single-player alternative to Crystal Harvest: Apex Operator — playable solo, no multiplayer required. Shares Action and Strategy with Crystal Harvest: Apex Operator.

    The adventure in the mysterious world of the Wall continues! Pilot your robospider into its depths, uncover lost artifacts and technologies, upgrade your exosuit and spider, and battle the horrors lurking in the dark. Unravel the mysteries buried in the depths of the Wall!

    2025ActionStrategyIndie11.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    thimble dungeon — Steam game cover

    thimble dungeon

    Single-player alternative to Crystal Harvest: Apex Operator — playable solo, no multiplayer required. Shares Strategy and Adventure with Crystal Harvest: Apex Operator.

    a tiny auto-battler roguelite. you pick the path, your heroes do the dying. bank their souls, delve again.

    2026StrategyAdventureRPGSingle-playerSimilar games →
  8. 8
    DROSS — Steam game cover

    DROSS

    Single-player alternative to Crystal Harvest: Apex Operator — playable solo, no multiplayer required. Shares Action and Indie with Crystal Harvest: Apex Operator.

    DROSS is a procedurally Generated FPS, set in a derelict facility infested with alien bugs. Explore, collect powerful weapons and equipment, to upgrade your gear and fight the Dross.

    2026ActionIndieAdventureSingle-playerSimilar games →
  9. 9
    Crazy Critters - Combat Cats — Steam game cover

    Crazy Critters - Combat Cats

    Single-player alternative to Crystal Harvest: Apex Operator — playable solo, no multiplayer required. Shares Action and Indie with Crystal Harvest: Apex Operator.

    Run, jump, scratch and fight to be the purrrfect combat cat! Choose from a variety of different characters each with its own unique ability and skills. Shoot weapons and throw grenades at all those that dare to stand in your way! Fight in the craziest, silliest and most random arenas ever!

    2020ActionIndieMassively MultiplayerFreeSingle-playerSimilar games →
  10. 10
    Death Rattle - Hell Unleashed — Steam game cover

    Death Rattle - Hell Unleashed

    Single-player alternative to Crystal Harvest: Apex Operator — playable solo, no multiplayer required. Shares Action and Indie with Crystal Harvest: Apex Operator.

    A first person shooter set in a medieval world ravaged by the ungodly forces of the hellion. You are the Death Rattle - humanity's last hope against the forces of hell. Use your special gifts and divine powers to challenge the marches of hell and turn the tide against these devils and demons.

    2021ActionIndieAdventure9.99 USDSingle-playerSimilar games →
  11. 11
    Operator8 — Steam game cover

    Operator8

    Single-player alternative to Crystal Harvest: Apex Operator — playable solo, no multiplayer required. Shares Action and Indie with Crystal Harvest: Apex Operator.

    An unparalleled alien invasion has overwhelmed the Mining Block Facility on the moon Triton, leaving only death and horror in its wake. You are a mercenary known as Operator8 and you alone have been called in to bring a stop to this fierce attack. Destroy the hive mind at all costs!

    2024ActionIndieAdventure6.99 USDSingle-playerSimilar games →
  12. 12
    Spooky Survivors — Steam game cover

    Spooky Survivors

    Single-player alternative to Crystal Harvest: Apex Operator — playable solo, no multiplayer required. Shares Action and Indie with Crystal Harvest: Apex Operator.

    Spooky Survivors puts you in the shoes of Van Hobo, a quirky hero battling the supernatural! Start with all unlocks BUT choose which to level up as you face endless waves. Equip powerful gear and unlock unique abilities. Outlast the nightmare and prove yourself as the ultimate spooky survivor!

    2025ActionIndieCasual2.99 USDSingle-playerSimilar games →
  13. 13
    Just Keep Defending And Mining — Steam game cover

    Just Keep Defending And Mining

    Single-player alternative to Crystal Harvest: Apex Operator — playable solo, no multiplayer required. Shares Indie and Casual with Crystal Harvest: Apex Operator.

    Just Keep Defending And Mining is a unique incremental game that combines combat and resource gathering. Balance mining and survival, invest into upgrades, grow stronger every round, unlock new regions, and Just Keep Defending and Mining.

    2026IndieCasualSingle-playerSimilar games →