Single-player games like Alien Madness
Below are 11 single-player Steam games similar to Alien Madness, 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 Alien Madness page.
Ranked picks
- 1
Infectonator 3: Apocalypse
Single-player alternative to Alien Madness — playable solo, no multiplayer required. 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.
- 2
Attack of the Earthlings
Single-player alternative to Alien Madness — playable solo, no multiplayer required. 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.
- 3
Slayaway Camp
Single-player alternative to Alien Madness — playable solo, no multiplayer required. 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.
- 4
Plague Inc: Evolved
Single-player alternative to Alien Madness — playable solo, no multiplayer required. 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.
- 5
Mewgenics
Single-player alternative to Alien Madness — playable solo, no multiplayer required. 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.
- 6
Duke Nukem Forever
Single-player alternative to Alien Madness — playable solo, no multiplayer required. Shares Action with Alien Madness.
The King arrives with an arsenal of over-the-top weapons, giant explosions and pure unadulterated fun!
- 7
DRAW CHILLY
Single-player alternative to Alien Madness — playable solo, no multiplayer required. 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.
- 8
Party Hard
Single-player alternative to Alien Madness — playable solo, no multiplayer required. 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.
- 9
War Angels
Single-player alternative to Alien Madness — playable solo, no multiplayer required. 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.
- 10
The Wandering Her
Single-player alternative to Alien Madness — playable solo, no multiplayer required. 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.
- 11
Desktop Ramen Tycoon
Single-player alternative to Alien Madness — playable solo, no multiplayer required. 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.