Games like Alien Up
Below are 21 hand-picked alternatives to Alien Up for fans of action, adventure, ranked by imho.run's hybrid recommender. Each pick is scored on three signals: collaborative filtering across millions of Steam libraries (which players who logged hours in Alien Up also play), content overlap on genres, categories, and storefront tags, and review-mined "vibe" embeddings that catch tonal similarity even when the genre label differs. Sections below cover closest matches, reviewer cross-mentions, free-to-play picks, and Steam Deck–friendly options. No login required — these picks work anchor-only.
About Alien Up: Fast-paced survival shooter where space mechanic Chelsea Crisp fights off hordes of alien invaders. Upgrade, jump, dodge, and blast your way through many levels of this humorous 90's style anime pixel adventure.
Players who liked Alien Up also play
Ranked by collaborative filtering across millions of Steam libraries plus content overlap on genres, tags, and developers.
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Boom Blaster
Top pick for Alien Up fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Alien Up.
Boom Blaster is a hand-drawn, side-scrolling shoot'em up with intense boss fights! Blast your way through each level with a range of weapons and unique hero abilities in this exciting and challenging action game.
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Space Adventure Cobra - The Awakening
Second-strongest match for Alien Up fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Alien Up.
Play as Cobra, the space pirate, in an action platformer. Along with Lady Armaroid, your loyal partner, and equipped with your iconic Psychogun, you must solve a mystery that could threaten the entire universe.
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Neckbreak
Third-strongest match for Alien Up fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Alien Up.
An overdose of reality can have dire consequences... Tumble down the rabbit hole and embrace your downfall with 12 endings, non linear day by day progression, sanity system and more...
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Hitler is My Crush: Love and Fascism
Ranked #4 for Alien Up fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Alien Up.
Hitler is My Crush: Love and Fascism is a crazy love story that defies logic, common sense and everything you knew about the world. You play as a girl madly in love with... Hitler.
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ANNO: Mutationem
Ranked #5 for Alien Up fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Alien Up.
ANNO: Mutationem is an action-adventure game with RPG elements set in a cyberpunk world, featuring a unique mix of pixelated 2D & 3D graphic style with a rich, dark and bizarre plot.
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MotionRec
Ranked #6 for Alien Up fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Alien Up.
MotionRec is a recording puzzle action game where you progress through stages by recording and playing back your own movements.
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LUNARK
Ranked #7 for Alien Up fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Alien Up.
A pixel-art sci-fi adventure set in the midst of a rebellion against a totalitarian regime, LUNARK is a modern take on the 2D cinematic platformer genre of the '90s. Run, jump, hang, climb, roll, and shoot your way through gorgeous and mysterious locations!
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Warhammer 40,000: Shootas, Blood & Teef
Ranked #8 for Alien Up fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Alien Up.
From the developers of the Guns, Gore and Cannoli franchise comes a new 2D run & gun platformer: Warhammer 40,000: Shootas, Blood & TEEF! Spearhead an Ork invasion, destroy the hive city and kill your warboss! ‘Ere we go!
Free alternatives
Free-to-play games that recommended players of this title also tend to enjoy.
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Life is Strange - Episode 1
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Adventure with Alien Up.
Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.
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Ultimate Custom Night
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Alien Up.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
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ENA: Dream BBQ
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Adventure with Alien Up.
Experience surreal environments and inexplicable characters as ENA in a new wild world.
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Indigo Park: Chapter 1
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Adventure with Alien Up.
Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.
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Counter-Strike:Global Offensive
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Alien Up.
Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).
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NGU IDLE
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Adventure with Alien Up.
NGU Idle is a Free To Play Idle game that's full of weird humor, tons of upgrades and hundreds of hours of content! Try out NGU Idle today and experience the joy of Numbers Going Up!
Narrow it down
Head-to-head comparisons
Plays great on Steam Deck
Valve-Verified or Playable picks from the similar pool — ready to go on Deck out of the box.
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Neckbreak
Deck Verified — runs on Steam Deck out of the box. Shares Action and Adventure with Alien Up.
An overdose of reality can have dire consequences... Tumble down the rabbit hole and embrace your downfall with 12 endings, non linear day by day progression, sanity system and more...
- 2
ANNO: Mutationem
Deck Verified — runs on Steam Deck out of the box. Shares Action and Adventure with Alien Up.
ANNO: Mutationem is an action-adventure game with RPG elements set in a cyberpunk world, featuring a unique mix of pixelated 2D & 3D graphic style with a rich, dark and bizarre plot.
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LUNARK
Deck Verified — runs on Steam Deck out of the box. Shares Action and Adventure with Alien Up.
A pixel-art sci-fi adventure set in the midst of a rebellion against a totalitarian regime, LUNARK is a modern take on the 2D cinematic platformer genre of the '90s. Run, jump, hang, climb, roll, and shoot your way through gorgeous and mysterious locations!
- 5
Warhammer 40,000: Shootas, Blood & Teef
Deck Verified — runs on Steam Deck out of the box. Shares Action and Adventure with Alien Up.
From the developers of the Guns, Gore and Cannoli franchise comes a new 2D run & gun platformer: Warhammer 40,000: Shootas, Blood & TEEF! Spearhead an Ork invasion, destroy the hive city and kill your warboss! ‘Ere we go!
Frequently asked about Alien Up
- What games are most similar to Alien Up?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Alien Up are Boom Blaster, Space Adventure Cobra - The Awakening, Neckbreak.
- Who developed Alien Up?
- Alien Up was developed by Black Streak Entertainment.
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 Alien Up.
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