IMHO.

Single-player games like Wild Seas

Below are 10 single-player Steam games similar to Wild Seas, 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 Wild Seas page.

Ranked picks

  1. 1
    Space Annihilator — Steam game cover

    Space Annihilator

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

    Command a powerful space warship and fight your way through relentless waves of enmy ships and bases to achieve the ultimate victory!

    2026ActionStrategySingle-playerSimilar games →
  2. 2
    Gold and Bricks — Steam game cover

    Gold and Bricks

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

    Gold and Bricks is a small game that mixes elements of city builder, roguelite, strategy and tower defense. Plan the layout, manage your economy and invest your gold in defensive towers to protect yourself from the hordes of enemies invading your village.

    2025ActionStrategyIndie1.99 USDSingle-playerSimilar games →
  3. 3
    The Last Drop — Steam game cover

    The Last Drop

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

    The Last Drop is a pixel art top-down shooter where you control the last water droplet on Earth. Battle waves of enemies with unique weapons, customize the map, and compete on the online leaderboard.

    2024ActionStrategyIndie4.99 USDSingle-playerSimilar games →
  4. 4
    Warf — Steam game cover

    Warf

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

    Unleash strategic survival in Warf, where you guide Warf through relentless hordes, deploy towers, and engage in thrilling combat. Defend against the horde and emerge as the ultimate survivor in this innovative fusion of survival action and tower defense

    2023ActionStrategyIndie4.99 USDSingle-playerSimilar games →
  5. 5
    Rogue Citadel — Steam game cover

    Rogue Citadel

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

    Unlock new defences, collect powerful items and create game-breaking synergies in this roguelite tower defence survivors game. Will you conquer the citadel's ever-shifting challenges and emerge victorious, or succumb to its sinister temptations?

    2024ActionIndieRPG9.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Monsters are Coming! — Steam game cover

    Monsters are Coming!

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

    Beware, Monsters are Coming! In this Tower-Survivor rogue-lite, you protect an ever-moving city from unrelenting hordes. Gather resources, fortify defences, and survive for as long as you can. Will you reach the Ark?

    2025ActionStrategyIndie8.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Acid Planet — Steam game cover

    Acid Planet

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

    Acid Planet is a caustic blend of horde-survival, tower-defense and strategy. Build, fight and evolve to survive against rampaging swarms of monsters and fearsome Kaiju.

    2024ActionStrategyIndie2.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Into the Slimy Mines — Steam game cover

    Into the Slimy Mines

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

    A roguelike tower defense with a card-driven twist. Build your deck, carve out tunnels, and deploy defences directly into the path of the swarm. Rank up your chosen Guild and rescue your Dwarven crew to get off this frackin’ slime-infested moon!

    2026ActionStrategyIndie11.69 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    Duck Run — Steam game cover

    Duck Run

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

    Duck Run is an exhilarating 2D precision platformer that will test your reflexes and agility.

    2024ActionIndieAdventure1.99 USDSingle-playerSimilar games →
  10. 10
    Say Cheese — Steam game cover

    Say Cheese

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

    Hunger speaks louder! Help our rodent hero find his way to the cheese in a maze full of challenges

    2024StrategyIndieCasual1.99 USDSingle-playerSimilar games →