IMHO.

Single-player games like The Rift Tower Defense

Below are 11 single-player Steam games similar to The Rift Tower Defense, 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 The Rift Tower Defense page.

Ranked picks

  1. 1
    Neural Shock — Steam game cover

    Neural Shock

    Single-player alternative to The Rift Tower Defense — playable solo, no multiplayer required. Shares Action and Strategy with The Rift Tower Defense.

    Control your Hero to aid your Turrets and Traps in battle in this grim, dark Tower Defense & Action RPG with a scifi-grindhouse aesthetic. Create deadly weapon barrages and fuse together Bleed, Burn, Shock, Freeze, Stun and many more elements to annihilate your enemies.

    2024ActionStrategyIndie5.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Sanctum 2 — Steam game cover

    Sanctum 2

    Single-player alternative to The Rift Tower Defense — playable solo, no multiplayer required. Shares Action and Strategy with The Rift Tower Defense.

    Sanctum 2 is the sequel to the world’s first Tower Defense/FPS hybrid game. Pick from four unique character classes and embark on a mission to protect the oxygen-producing Cores from hordes of deadly aliens who are threatened by their existence.

    2013ActionStrategyIndie14.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Hexitten — Steam game cover

    Hexitten

    Single-player alternative to The Rift Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with The Rift Tower Defense.

    Select your Team, Build your Deck of Abilities, Mod your Ships, Fight the Baddies, Upgrade your Abilities, Level Up your Heroes, and Recruit additional Heroes and Guests along your journey. Discover Events, Side Missions, and each Hero's Story. And finally, time permitting, Save the Universe.

    2025StrategyIndieRPG3.74 USDSingle-playerSimilar games →
  4. 4
    Throbax TD — Steam game cover

    Throbax TD

    Single-player alternative to The Rift Tower Defense — playable solo, no multiplayer required. Shares Action and Strategy with The Rift Tower Defense.

    Throbax TD is the "Tower Defense" game you are looking for: Help Ughlar fight his way through 50 levels, buy over 100 upgrades and get all of the 50+ achievements.

    2022ActionStrategyIndieFreeSingle-playerSimilar games →
  5. 5
    Miracle Heroes: Temporal Bounty Hunter — Steam game cover

    Miracle Heroes: Temporal Bounty Hunter

    Single-player alternative to The Rift Tower Defense — playable solo, no multiplayer required. Shares Action and Strategy with The Rift Tower Defense.

    Miracle Heroes is a multiplayer light rogue-like game. In the game, players must choose suitable combinations from a rich arsenal of weapons and items, with each playthrough offering a fresh experience.

    2024ActionStrategyIndie1.99 USDSingle-playerSimilar games →
  6. 6
    Wave Defense: Trappist — Steam game cover

    Wave Defense: Trappist

    Single-player alternative to The Rift Tower Defense — playable solo, no multiplayer required. Shares Action and Strategy with The Rift Tower Defense.

    Gear up and get going! Defend your outposts from waves of alien enemies with your mech. Build and upgrade your base, protecting the extraction of the mysterious planetary system’s rich resources!

    2025ActionStrategyIndie9.99 USDSingle-playerSimilar games →
  7. 7
    X-Morph: Defense — Steam game cover

    X-Morph: Defense

    Single-player alternative to The Rift Tower Defense — playable solo, no multiplayer required. Shares Action and Strategy with The Rift Tower Defense.

    Unique fusion of a top-down shooter and tower defense strategy. You are the invader! Use destructive weapons or lead your enemies into a maze of towers. Strategize in the build mode by carefully selecting various types of alien towers or throw yourself right into the heat of the battle.

    2017ActionStrategyIndie3.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Spaceland: Sci-Fi Indie Tactics — Steam game cover

    Spaceland: Sci-Fi Indie Tactics

    Single-player alternative to The Rift Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with The Rift Tower Defense.

    Incredibly dynamic turn-based strategy, reviving the traditions of the old school tactics. Lead a team of the most desperate fighters, destroy alien monsters and uncover the secrets of the lost planet.

    2019StrategyIndieAdventure19.99 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    Samuel Sage: The Mystery at Penby Inn — Steam game cover

    Samuel Sage: The Mystery at Penby Inn

    Single-player alternative to The Rift Tower Defense — playable solo, no multiplayer required. Shares Indie and Adventure with The Rift Tower Defense.

    A murder-mystery visual novel about a young man who inherits a charming English hotel. Some would say he’s fortunate, but with a growing list of unexplained disasters and murder, has his luck finally run out?

    2024IndieAdventureRPG7.99 USDSingle-playerSimilar games →
  10. 10
    Attack on Inirea — Steam game cover

    Attack on Inirea

    Single-player alternative to The Rift Tower Defense — playable solo, no multiplayer required. Shares Action and Indie with The Rift Tower Defense.

    In this family-friendly arcade-style shooter,  you will take command of powerful weapons to defend the village of Inirea from hordes of monsters, gaining points and powerups as you progress through the game.

    2025ActionIndieAdventure4.99 USDSingle-playerSimilar games →
  11. 11
    Compadrone: Land Wars — Steam game cover

    Compadrone: Land Wars

    Single-player alternative to The Rift Tower Defense — playable solo, no multiplayer required. Shares Action and Indie with The Rift Tower Defense.

    In this fast-paced roguelite arena shooter with tower-defense twists, control a drone capable of wielding multiple weapons and fight hordes of alien warbots. Collect resources and XP to unlock new weapons, towers, abilities, and drones.

    2025ActionIndieAdventure4.99 USDSingle-playerSimilar games →