IMHO.

Single-player games like Luna & Monsters Tower Defense -The deprived magical kingdom-

Below are 10 single-player Steam games similar to Luna & Monsters Tower Defense -The deprived magical kingdom-, 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 Luna & Monsters Tower Defense -The deprived magical kingdom- page.

Ranked picks

  1. 1
    Magician's Cat Diary — Steam game cover

    Magician's Cat Diary

    Single-player alternative to Luna & Monsters Tower Defense -The deprived magical kingdom- — playable solo, no multiplayer required. Shares Indie and Simulation with Luna & Monsters Tower Defense -The deprived magical kingdom-.

    Every magician likes to keep cats, use magic to train your cats to win various strange competitions!

    2023IndieSimulationRPG3.99 USDSingle-playerSimilar games →
  2. 2
    Rebirth TD — Steam game cover

    Rebirth TD

    Single-player alternative to Luna & Monsters Tower Defense -The deprived magical kingdom- — playable solo, no multiplayer required. Shares Strategy and Indie with Luna & Monsters Tower Defense -The deprived magical kingdom-.

    Defend a dying world and bring it back to life as you play. Grow spirit trees to defeat enemies, releasing energy that spreads across the land, restoring the forest in real time as you push back a world-consuming blight.

    2026StrategyIndieCasualSingle-playerSimilar games →
  3. 3
    Portal Foxes TD — Steam game cover

    Portal Foxes TD

    Single-player alternative to Luna & Monsters Tower Defense -The deprived magical kingdom- — playable solo, no multiplayer required. Shares Strategy and Indie with Luna & Monsters Tower Defense -The deprived magical kingdom-.

    Defend portals from hordes of slimes with elemental foxes in this tabletop VR game. Build mazes to thwart adaptive enemy pathing in three dimensions. Collect a variety of foxes and equipment over a 25 level story campaign.

    2025StrategyIndie10.00 USDSingle-playerSimilar games →
  4. 4
    Girls vs Goblins — Steam game cover

    Girls vs Goblins

    Single-player alternative to Luna & Monsters Tower Defense -The deprived magical kingdom- — playable solo, no multiplayer required. Shares Strategy and Casual with Luna & Monsters Tower Defense -The deprived magical kingdom-.

    Spend Magic Stones to summon elf girls with unique abilities and fight back the invading goblin army. Defeat goblins to earn more Magic Stones, upgrade your defense towers, and strengthen your power. Lead your girls to cast powerful magic, defeat the Goblin King, and save the fantasy world!

    2026StrategyAdventureCasual2.39 USDSingle-playerSimilar games →
  5. 5
    Niiikotopia: Sky Fall — Steam game cover

    Niiikotopia: Sky Fall

    Single-player alternative to Luna & Monsters Tower Defense -The deprived magical kingdom- — playable solo, no multiplayer required. Shares Strategy with Luna & Monsters Tower Defense -The deprived magical kingdom-.

    Manage resources, maintain Niiiko’s population, build defenses, research new technology, design new useful items, … and do whatever you can to protect your cute Niiikos.

    2021StrategyEarly Access2.99 USDSingle-playerSimilar games →
  6. 6
    Cat Vs Slime 猫咪大战史莱姆 — Steam game cover

    Cat Vs Slime 猫咪大战史莱姆

    Single-player alternative to Luna & Monsters Tower Defense -The deprived magical kingdom- — playable solo, no multiplayer required. Shares Strategy and Indie with Luna & Monsters Tower Defense -The deprived magical kingdom-.

    Cat Vs Slime Innovative gravity stack tower defense! Cats stack upward to attack flying enemies. Slimes come from the ground and portals, attacking from both sides. 18 cats, 36 levels. Build your best defense and protect the cat home!

    2026StrategyIndieCasual2.99 USDSingle-playerSimilar games →
  7. 7
    Cursed Treasure 2 Ultimate Edition - Tower Defense — Steam game cover

    Cursed Treasure 2 Ultimate Edition - Tower Defense

    Single-player alternative to Luna & Monsters Tower Defense -The deprived magical kingdom- — playable solo, no multiplayer required. Shares Strategy and Casual with Luna & Monsters Tower Defense -The deprived magical kingdom-.

    Why be good when you can be... bad? Cursed Treasure 2 is a classic tower-defense game, remastered and carefully re-balanced. Build towers of powerful orcs, demons, and undead, and master powerful spells, to protect your precious hoard from all manner of no-good do-gooders.

    2022StrategyCasual8.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Fawn's Gambit — Steam game cover

    Fawn's Gambit

    Single-player alternative to Luna & Monsters Tower Defense -The deprived magical kingdom- — playable solo, no multiplayer required. Shares Strategy and Indie with Luna & Monsters Tower Defense -The deprived magical kingdom-.

    Guided by fate, you enter a mysterious card-and-board battle. Collect monster cards, build your deck, defeat legendary heroes, and uncover buried secrets. When the truth emerges, you will fight alongside heroes of old against the darkness.

    2027StrategyIndieAdventureSingle-playerSimilar games →
  9. 9
    Kingdom Run VR — Steam game cover

    Kingdom Run VR

    Single-player alternative to Luna & Monsters Tower Defense -The deprived magical kingdom- — playable solo, no multiplayer required. Shares Indie with Luna & Monsters Tower Defense -The deprived magical kingdom-.

    Kingdom Run VR is an action-packed fitness game; explore trapped tombs, avoid dangers, collect gems and eliminate enemies!

    2023ActionIndieAdventure3.99 USDSingle-playerSimilar games →
  10. 10
    Lunadra: Luna Awakens the Legendary Dragon — Steam game cover

    Lunadra: Luna Awakens the Legendary Dragon

    Single-player alternative to Luna & Monsters Tower Defense -The deprived magical kingdom- — playable solo, no multiplayer required. Shares Indie with Luna & Monsters Tower Defense -The deprived magical kingdom-.

    A survivors-like roguelite action RPG where you master the power to grow giant or shrink tiny. Build your character by collecting weapons and companions, then challenge colossal legendary monsters. Supports 2-player local co-op.

    ActionIndieRPGSingle-playerSimilar games →