IMHO.

Games like Illegal Alien Tower Defense

If Illegal Alien Tower Defense is your kind of game, the closest matches are Thronefall, Dampf - The Cozy Tower Defense and Robugs — picked from the ranked list below. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.

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About Illegal Alien Tower Defense: Can you save civilization from the brink of collapse, and restore Earth to a High-Trust society? This is a Tower Defense game focused on strategy, tower placement, and defeating enemies in a hilarious setting. Warning: Mature content. Depicts violence, cartoon blood, and macabre comedy.

2026Strategy7.99 USDWindowsby Forbidden Knowledge
Illegal Alien Tower Defense — Steam game cover

Players who liked Illegal Alien Tower Defense also play

Steam players who put hours into Illegal Alien Tower Defense also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.

  1. Thronefall

    WHY THIS

    Top pick for Illegal Alien Tower Defense fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Illegal Alien Tower Defense.

    A minimalist game about building and defending your little kingdom.

    2024ActionStrategyIndie12.99 USDDeck VerifiedSteam ↗
  2. Dampf - The Cozy Tower Defense

    WHY THIS

    Second-strongest match for Illegal Alien Tower Defense fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Illegal Alien Tower Defense.

    Cozy tower defense meets stylistic futuristic steampunk. Manage resources, buildings & towers. Unlock perks to further specialize yourself. Plan your defense & survive all enemy waves.

    2024StrategyIndieCasual4.99 USDSteam ↗
  3. Robugs

    WHY THIS

    Third-strongest match for Illegal Alien Tower Defense fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Illegal Alien Tower Defense.

    Build your tower floor by floor and face the mechanical bugs attacking your stronghold! Add, upgrade and synergize floors of your tower to adapt to the expanding enemy paths, spanning many regions of this tower defense game.

    2026StrategySteam ↗
  4. TD Worlds

    WHY THIS

    Ranked #4 for Illegal Alien Tower Defense fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Illegal Alien Tower Defense.

    TD Worlds is a dynamic, highly strategical game that challenges your skill. Build an impenetrable defense and get ready to plunge into a new, unknown world to uncover its secrets. Use Twitch integration and play with your viewers.

    2022StrategyIndie10.99 USDDeck VerifiedSteam ↗
  5. Cube Guardian : Tower Defender

    WHY THIS

    Ranked #5 for Illegal Alien Tower Defense fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Illegal Alien Tower Defense.

    Cube Guardian: Tower Defender is a rogue-like tower defense game on a procedurally generated, cube-based battlefield. Protect the Nexus by strategically placing resource buildings as enemy waves intensify every 10 seconds. Earn XP to unlock upgrades and beat your high score!

    2025Strategy2.99 USDSteam ↗
  6. Plot Twist

    WHY THIS

    Ranked #6 for Illegal Alien Tower Defense fans by collaborative filtering across millions of Steam libraries.

    Welcome to Plot Twist, where you take on the role of an ambitious writer in a world of stories and inspiration. You will manage your own writing career, create bestsellers, gain fans, and shape the history of literature! Your success depends on making the right decisions and your creativity!

    2025IndieSimulationCasual7.99 USDSteam ↗
  7. The Aether Project

    WHY THIS

    Ranked #7 for Illegal Alien Tower Defense fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Illegal Alien Tower Defense.

    A classic tower defense game with evolving battlefields and relentless waves. Build deadly defenses, adapt to new attack routes, and survive escalating enemy assaults.

    ActionStrategyIndieSteam ↗
  8. Wandering Monolith: Rogue TD

    WHY THIS

    Ranked #8 for Illegal Alien Tower Defense fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Illegal Alien Tower Defense.

    You are the Wandering Monolith, falling from the sky. Summon towers, expand the board, defend your core, and build your deck of upgrades to conquer countless worlds.

    StrategyIndieCasualSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below Illegal Alien Tower Defense at current Steam store prices.

  1. Nodebuster

    WHY THIS

    Priced ~63% under Illegal Alien Tower Defense on Steam right now. Shares Strategy with Illegal Alien Tower Defense.

    Nodebuster is a short, experimental incremental game about busting nodes and destroying reality.

    2024StrategyIndieSimulation2.99 USDDeck PlayableSteam ↗
  2. shapez

    WHY THIS

    Priced ~88% under Illegal Alien Tower Defense on Steam right now. Shares Strategy with Illegal Alien Tower Defense.

    shapez is an easy-going, minimalistic factory building game about the automation of shapes through extraction and satisfying production lines. Adapt to increasingly complex shapes and grow your factory across an infinitely expanding map. Your only limitation is your creativity!

    2020StrategyIndieSimulation0.99 USDDeck PlayableSteam ↗
  3. Tower Wizard

    WHY THIS

    Priced ~63% under Illegal Alien Tower Defense on Steam right now. Shares Strategy with Illegal Alien Tower Defense.

    Help a wizard build and upgrade a wizard tower in this incremental game! Use the tower to study magic, summon spirits, create buildings, and influence the world.

    2025StrategyIndieSimulation2.99 USDDeck PlayableSteam ↗
  4. Bejeweled® 3

    WHY THIS

    Priced ~88% under Illegal Alien Tower Defense on Steam right now. Shares Strategy with Illegal Alien Tower Defense.

    The biggest, brightest Bejeweled ever! Discover all-new ways to play the world’s #1 puzzle game. Find your perfect match with 8 breathtaking game modes that meet all your moods.

    2010StrategyCasual0.99 USDDeck PlayableSteam ↗
  5. Hexcells

    WHY THIS

    Priced ~63% under Illegal Alien Tower Defense on Steam right now. Shares Strategy with Illegal Alien Tower Defense.

    Hexcells is an ambient logic puzzle game for PC, Mac and Linux.

    2014StrategyIndieCasual2.99 USDDeck PlayableSteam ↗
  6. Dictators:No Peace Countryballs

    WHY THIS

    Priced ~88% under Illegal Alien Tower Defense on Steam right now. Shares Strategy with Illegal Alien Tower Defense.

    Dictators : No Peace Countryballs is a war simulation and dictator game. This is a fun,simple and some say a funny countryballs game. If you like simulation games, you will love playing Dictators : No Peace. Play as a dictator of your favourite country and colonize the world.

    2020StrategyIndieSimulation0.99 USDSteam ↗
  7. Hexcells Plus

    WHY THIS

    Priced ~63% under Illegal Alien Tower Defense on Steam right now. Shares Strategy with Illegal Alien Tower Defense.

    Hexcells Plus is an ambient logic puzzle game for PC, Mac and Linux.

    2014StrategyIndieCasual2.99 USDDeck PlayableSteam ↗
  8. Lords of the Realm II

    WHY THIS

    Priced ~63% under Illegal Alien Tower Defense on Steam right now. Shares Strategy with Illegal Alien Tower Defense.

    The great Lords of England have their eyes on the the English throne! Muster an army and overrun your enemies' castles in this classic, nail-biting strategy game that blends turn-based and real-time gameplay.

    2015StrategyRPG2.99 USDSteam ↗

Free alternatives

Free-to-play games that recommended players of this title also tend to enjoy.

  1. ENA: Dream BBQ

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    Experience surreal environments and inexplicable characters as ENA in a new wild world.

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  2. The Looker

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.

    2022IndieFreeDeck PlayableSteam ↗
  3. DORONKO WANKO

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    『DORONKO WANKO』 is a DORONKO Action Game. In this game, You can become a cute, innocent Pomeranian, make your master's home messy and dirty. "Will the master be angry with me?" Don't worry. Because you are a sweet doggie.

    2024ActionSimulationFree To PlayFreeSteam ↗
  4. SuchArt: Creative Space

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    Paint on any surfaces with numerous tools in Creative Space — a free sandbox version of SuchArt: Genius Artist Simulator. Create masterpieces, complete commissions, and decorate your studio in the most advanced artist sim!

    2021ActionIndieAdventureFreeDeck PlayableSteam ↗
  5. DOGWALK

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    Explore a hand-crafted winter forest as a big adorable dog and a little kid in tow. A short, free, open source project brought to you by Blender Studio.

    2025IndieFree To PlayCasualFreeDeck PlayableSteam ↗
  6. Mizi NO!

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    In this free 2D puzzle game, you must reassemble broken objects that your cat has knocked over.

    2024IndieCasualFreeDeck PlayableSteam ↗
  7. A Park Full of Cats

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    Welcome to 'A Park Full of Cats,' a hidden object game that invites you to revel in the enchanting world of amusement parks! Experience the thrill and excitement of the rides and give those cats the fun they truly deserve!

    2024IndieCasualFreeDeck VerifiedSteam ↗
  8. Stray Cats in Cozy Town

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    Welcome to Cozy Town, where every day is International Cat Day! Be part of a village community where every stray is respected, loved and fed. Explore the charming streets and alleys to discover all the stray cats in this hidden-object game.

    2024IndieFree To PlayCasualFreeDeck VerifiedSteam ↗

Frequently asked about Illegal Alien Tower Defense

How much does Illegal Alien Tower Defense cost?
Illegal Alien Tower Defense is listed on Steam at 7.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Illegal Alien Tower Defense?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Illegal Alien Tower Defense are Thronefall, Dampf - The Cozy Tower Defense, Robugs.
Who developed Illegal Alien Tower Defense?
Illegal Alien Tower Defense was developed by Forbidden Knowledge.

imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Illegal Alien Tower Defense.

For library-aware picks tuned to your specific taste, sign in with Steam on the home page.

24 Games Like Illegal Alien Tower Defense (2026) · imho.run