Games like Alien Madness
If Alien Madness is your kind of game, the closest matches are Infectonator 3: Apocalypse, Attack of the Earthlings and Slayaway Camp — 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.
Get personalized picks →About Alien Madness: Turn humans into idiots and make them kill each other!

Players who liked Alien Madness also play
Steam players who put hours into Alien Madness 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.
Infectonator 3: Apocalypse
WHY THIS
Top pick for Alien Madness fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Alien Madness.
A campy, crazy pixelart zombie apocalypse arcade sim where you're the bad guy. Drop your virus and spread it across the globe while you unlock a whole horde of bizarre undead to do your bidding.
Attack of the Earthlings
WHY THIS
Second-strongest match for Alien Madness fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Alien Madness.
Take on Galactoil, a comically dysfunctional intergalactic energy corporation, and its larger-than-life employees in a tactical-stealth game that fuses satisfying strategic gameplay and dark comedy in a quirky single-player story.
Slayaway Camp
WHY THIS
Third-strongest match for Alien Madness fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Alien Madness.
A killer puzzle game where you control Skullface, a psycho slasher bent on slaughtering camp counselors at the title campground. Slide an adorable voxel murderer around hundreds of isometric puzzle levels to squash, flay, and decapitate hapless victims in this darkly comic homage to 80s horror.
Plague Inc: Evolved
WHY THIS
Ranked #4 for Alien Madness fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Alien Madness.
Plague Inc: Evolved is a unique mix of high strategy and terrifyingly realistic simulation. Your pathogen has just infected 'Patient Zero' - now you must bring about the end of human history by evolving a deadly, global Plague whilst adapting against everything humanity can do to defend itself.
Mewgenics
WHY THIS
Ranked #5 for Alien Madness fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Alien Madness.
Build the ultimate cat army through tactical breeding and send them into deep, challenging turn-based adventures. Draft abilities, collect items, and manipulate genetics across generations in this roguelike tactics game from the creators of The Binding of Isaac and The End is Nigh.
Duke Nukem Forever
WHY THIS
Ranked #6 for Alien Madness fans by collaborative filtering across millions of Steam libraries. Shares Action with Alien Madness.
The King arrives with an arsenal of over-the-top weapons, giant explosions and pure unadulterated fun!
DRAW CHILLY
WHY THIS
Ranked #7 for Alien Madness fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Alien Madness.
DRAW CHILLY is a hell of an arcade game about Vladimir, his squad, Purgatory, and the Horsemen of the Apocalypse.
Party Hard
WHY THIS
Ranked #8 for Alien Madness fans by collaborative filtering across millions of Steam libraries. Shares Action and Strategy with Alien Madness.
It's 3:00 a.m. Your neighbours are having a loud party. Stop them. Party Hard is tinyBuild's award-winning stealth strategy game about ruining parties by any means.
Free alternatives
Free-to-play games that recommended players of this title also tend to enjoy.
Life is Strange - Episode 1
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Adventure with Alien Madness.
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.
Ultimate Custom Night
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Alien Madness.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
Bongo Cat
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Alien Madness.
Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?
ENA: Dream BBQ
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Alien Madness.
Experience surreal environments and inexplicable characters as ENA in a new wild world.
The Murder of Sonic the Hedgehog
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Alien Madness.
Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!
Indigo Park: Chapter 1
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Alien Madness.
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.
Sheepy: A Short Adventure
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Alien Madness.
A Short Handcrafted Pixel Art Platformer that follows Sheepy, an abandoned plushy brought to life. Sheepy: A Short Adventure is the first short game from MrSuicideSheep.
Narrow it down
Head-to-head comparisons
More from Leolit Games
Other recommendable Steam games by Leolit Games, ranked by review count so the studio's hits land first.
War Angels
WHY THIS
Another title from Leolit Games, the studio behind Alien Madness. Shares Strategy and Indie with Alien Madness.
Run a war hospital where every choice means someone dies. War Angels is a narrative-driven hospital management game inspired by real-world conflicts, where you must treat patients, manage limited resources, and make difficult moral decisions. There are no good choices, only consequences.
The Wandering Her
WHY THIS
Another title from Leolit Games, the studio behind Alien Madness. Shares Indie with Alien Madness.
Stitch delicate threads and solve gentle puzzles while restoring pieces of forgotten embroidery. As old photos, worn fabrics, and unfinished patterns resurface, uncover a quiet story of memories, family, and a secret hidden within the threads of time.
Desktop Ramen Tycoon
WHY THIS
Another title from Leolit Games, the studio behind Alien Madness. Shares Indie with Alien Madness.
Enjoy managing a cozy cat-run ramen shop right at the bottom of your desktop! Serve up delicious noodles, upgrade your equipment, and expand your feline business—all while you chill, study, or focus on your real-life work.
Plays great on Steam Deck
Valve-Verified or Playable picks from the similar pool — ready to go on Deck out of the box.
Plague Inc: Evolved
WHY THIS
Deck Verified — runs on Steam Deck out of the box. Shares Strategy and Indie with Alien Madness.
Plague Inc: Evolved is a unique mix of high strategy and terrifyingly realistic simulation. Your pathogen has just infected 'Patient Zero' - now you must bring about the end of human history by evolving a deadly, global Plague whilst adapting against everything humanity can do to defend itself.
Mewgenics
WHY THIS
Deck Verified — runs on Steam Deck out of the box. Shares Strategy and Indie with Alien Madness.
Build the ultimate cat army through tactical breeding and send them into deep, challenging turn-based adventures. Draft abilities, collect items, and manipulate genetics across generations in this roguelike tactics game from the creators of The Binding of Isaac and The End is Nigh.
Duke Nukem Forever
WHY THIS
Deck Verified — runs on Steam Deck out of the box. Shares Action with Alien Madness.
The King arrives with an arsenal of over-the-top weapons, giant explosions and pure unadulterated fun!
DRAW CHILLY
WHY THIS
Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with Alien Madness.
DRAW CHILLY is a hell of an arcade game about Vladimir, his squad, Purgatory, and the Horsemen of the Apocalypse.
Frequently asked about Alien Madness
- What games are most similar to Alien Madness?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Alien Madness are Infectonator 3: Apocalypse, Attack of the Earthlings, Slayaway Camp.
- Who developed Alien Madness?
- Alien Madness was developed by Leolit Games.
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 Madness.
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