IMHO.

Single-player games like Gems Defenders

Below are 9 single-player Steam games similar to Gems Defenders, 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 Gems Defenders page.

Ranked picks

  1. 1
    转生魔塔 — Steam game cover

    转生魔塔

    Single-player alternative to Gems Defenders — playable solo, no multiplayer required. Shares Strategy and Adventure with Gems Defenders.

    转生魔塔是一个集合了roguelike元素的三消割草游戏。勇者被魔王击败后,其灵魂转生成为了魔塔的一部分。利用三消击杀与各种魔塔技能,打败魔物。游戏内含有10+大关卡,多种难度挑战,150+魔塔技能与随机装备可供任意组合;70种带有各异技能的怪物,7种形态各异的BOSS挑战。

    2025StrategyAdventureRPG11.99 USDSingle-playerSimilar games →
  2. 2
    Tower Defense Hero — Steam game cover

    Tower Defense Hero

    Single-player alternative to Gems Defenders — playable solo, no multiplayer required. Shares Action and Strategy with Gems Defenders.

    A game combining tower defense and RPG

    2021ActionStrategyIndie2.99 USDSingle-playerSimilar games →
  3. 3
    Immortal Sect Defend — Steam game cover

    Immortal Sect Defend

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

    Guard the Sect Eye or lose everything. Build immortal towers to defend against demon hordes. Explore dangerous realms, slay beasts, and upgrade your defenses in this unique cultivation tower defense game.

    2027StrategyIndieAdventureSingle-playerSimilar games →
  4. 4
    Revenge & Defend — Steam game cover

    Revenge & Defend

    Single-player alternative to Gems Defenders — playable solo, no multiplayer required. Shares Action and Strategy with Gems Defenders.

    A boy's village was burned. His people were killed. Years later, he returns — with an army of monsters. But the king he hunts is nothing like his father. He is just. He is loved. He will not fall without a fight. Two campaigns. One tragedy.

    2026ActionStrategyIndie4.99 USDSingle-playerSimilar games →
  5. 5
    Little Kingdom RTS — Steam game cover

    Little Kingdom RTS

    Single-player alternative to Gems Defenders — playable solo, no multiplayer required. Shares Action and Strategy with Gems Defenders.

    Little Kingdom RTS is an indie real-time strategy game set in a medieval fantasy world. Gather resources, build settlements, raise walls, and grow your small kingdom. Command an army of knights, archers, and mages to fight off rival kingdoms, orcs, and undead.

    2025ActionStrategyIndie1.24 USDSingle-playerSimilar games →
  6. 6
    Soulker Defense — Steam game cover

    Soulker Defense

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

    Hyperscaling, fusions, strategies, synergies and more. A gothic style casual game with a tactic gameplay progressing to an ultimate battle of thousands of monsters.

    2023Strategy4.99 USDSingle-playerSimilar games →
  7. 7
    REBELLION PRINCESS|リベリオン プリンセス — Steam game cover

    REBELLION PRINCESS|リベリオン プリンセス

    Single-player alternative to Gems Defenders — playable solo, no multiplayer required. Shares Action and Strategy with Gems Defenders.

    Raise your favorite characters and have them ready to fight in the next run! Command beautiful girls to defend the castle and princess A non-reset roguelite × tower defense

    2026ActionStrategy4.79 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Runeomicon — Steam game cover

    Runeomicon

    Single-player alternative to Gems Defenders — playable solo, no multiplayer required. Shares Action and Strategy with Gems Defenders.

    Perform a dark ritual with your own hands under relentless pressure. Draw runes in real time, defend the ritual from enemies trying to stop it, and upgrade your skills to unleash devastating magic. Summon ancient eldritch gods in this dark fantasy game driven by skill, strategy and constant tension.

    2026ActionStrategyIndieSingle-playerSimilar games →
  9. 9
    Puzzle Pieces — Steam game cover

    Puzzle Pieces

    Single-player alternative to Gems Defenders — playable solo, no multiplayer required. Shares Action and Indie with Gems Defenders.

    Fast paced game that will test your reflexes.

    2021ActionIndieCasual3.99 USDSingle-playerSimilar games →