IMHO.

Single-player games like OmniSeed

Below are 11 single-player Steam games similar to OmniSeed, 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 OmniSeed page.

Ranked picks

  1. 1
    Bowerland — Steam game cover

    Bowerland

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

    Welcome to Bowerland, the single-player euchre-inspired roguelite card battle adventure. Take on the Bower King's sinister henchmen as you collect tricks, deliver damage and defeat foes to restore peace in the lands.

    2026StrategyIndieCasualSingle-playerSimilar games →
  2. 2
    Court Wizard — Steam game cover

    Court Wizard

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

    Cast spells, brew potions, and command defenders in this real-time strategy game. Choose from wildly different wizard archetypes, master spells with talent trees, and survive endless waves of attackers. Every wizard changes how you play. Can you defeat all of the bosses?

    2026StrategyIndieRPGSingle-playerSimilar games →
  3. 3
    核心防线 core defense line — Steam game cover

    核心防线 core defense line

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

    You are a cloud operator. In the game, to protect the core and resist the continuous virus invasions, you build defenses, construct cards, install creatively designed plugins that provide you with various attack methods, repair external nodes, and at the same time offer you more convenient defense.

    2026StrategyIndieCasualSingle-playerSimilar games →
  4. 4
    Slime TD — Steam game cover

    Slime TD

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

    A relaxing tower defense game. recruit slime to fend off endless waves of monsters. Up to 28 types of defense towers, and 4 maps.

    2026StrategyIndieCasual2.99 USDSingle-playerSimilar games →
  5. 5
    Possessed Kingdom — Steam game cover

    Possessed Kingdom

    Single-player alternative to OmniSeed — playable solo, no multiplayer required. Shares Strategy with OmniSeed.

    Defend your kingdom or rush the enemy in this Deckbuilding RTS. Build your base, scale your economy, and draw custom paths for your troops to break enemy defenses. Win battles, steal the king's cards, and build the ultimate deck.

    StrategySingle-playerSimilar games →
  6. 6
    Healthy Hero - Tower Defense — Steam game cover

    Healthy Hero - Tower Defense

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

    Healthy Hero is a Tower Defense game with roguelike elements, where the player protects a hero from attacking junk food. You need to build and upgrade defensive towers to stop the enemies. The levels become increasingly challenging with new types of junk food and waves

    StrategyIndieEarly AccessSingle-playerSimilar games →
  7. 7
    Before the Walls Break — Steam game cover

    Before the Walls Break

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

    Build your village, fortify your walls, and survive relentless waves of enemies in this strategy tower defense game with resource management and active battlefield abilities.

    2027StrategyIndieSingle-playerSimilar games →
  8. 8
    Tabletop Tavern — Steam game cover

    Tabletop Tavern

    Single-player alternative to OmniSeed — playable solo, no multiplayer required. Shares Strategy with OmniSeed.

    Tabletop Tavern is a roguelike RTS where you build an army from scratch and command them across a brutal campaign. Recruit diverse units, create devastating synergies, and make tactical choices that shape the fate of every run.

    2026Strategy14.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    a land Goo's crazy — Steam game cover

    a land Goo's crazy

    Single-player alternative to OmniSeed — playable solo, no multiplayer required. Shares Indie with OmniSeed.

    A 2D action roguelike where you have to slash, dash, dodge, manage your stamina, and collect loot to beat 12 unique levels. The boss fights are difficult. And it’s your duty to regain the memory of the Goo’s and rid the land of the corrupt king.

    2023ActionIndieAdventure2.99 USDSingle-playerSimilar games →
  10. 10
    Streets of Handbags — Steam game cover

    Streets of Handbags

    Single-player alternative to OmniSeed — playable solo, no multiplayer required. Shares Indie with OmniSeed.

    A shopping-themed roguelite where you cook with Grandma!

    2025ActionIndieSimulation3.99 USDSingle-playerSimilar games →
  11. 11
    oGANTTo — Steam game cover

    oGANTTo

    Single-player alternative to OmniSeed — playable solo, no multiplayer required. Shares Strategy with OmniSeed.

    oGANTTo is a deck-building strategy game set on a gantt chart. Manage employees and techniques to optimize your supply chain and maximize revenue.

    2025StrategySimulation1.99 USDSingle-playerSimilar games →