Single-player games like Horripilant
Below are 9 single-player Steam games similar to Horripilant, 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 Horripilant page.
Ranked picks
- 1

Tower Wizard
Single-player alternative to Horripilant — playable solo, no multiplayer required. Shares Indie and Simulation with Horripilant.
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.
- 2

Anty Crush
Single-player alternative to Horripilant — playable solo, no multiplayer required. Shares Indie and Simulation with Horripilant.
Lead a tiny ant colony through a giant candy world. Crush sweets, collect crumbs, unlock upgrades, grow your colony, and help the Queen evolve in this cozy incremental game.
- 3

Pure Idle
Single-player alternative to Horripilant — playable solo, no multiplayer required. Shares Indie and Simulation with Horripilant.
Become the right hand of the Creator in the search for lost perfection. Collect the light of billions of stars, guiding them into the heart of a black hole to find the one — Pure Idle. Technologies, production chains, and a long journey to the most beautiful star in the universe.
- 4

Loop Alchemist
Single-player alternative to Horripilant — playable solo, no multiplayer required. Shares Indie and Simulation with Horripilant.
You wake up in an unknown land. Again. Use the experience from every past life and your ever-growing knowledge of alchemy to extend each life through a robust alchemical system. Explore, break through and uncover all the world has to offer in this minimalist RPG distilled down to its purest form
- 5

My Fishing Desktop
Single-player alternative to Horripilant — playable solo, no multiplayer required. Shares Indie and Simulation with Horripilant.
🎣 Unwind with this cozy idle fishing game. Cast your line, collect unique fish, and customize your character with fun hats. Add relaxing ambient sounds like rain or jungle vibes to set the mood. Perfect for relaxing in the background while you work or chill. 🎣
- 6

Don't kill the fish
Single-player alternative to Horripilant — playable solo, no multiplayer required. Shares Indie and Simulation with Horripilant.
Bring home a digital fish, care for your new aquatic buddy in a cozy corner of your screen, and remember, DON'T KILL THE FISH!
- 7

A Game About Feeding A Black Hole
Single-player alternative to Horripilant — playable solo, no multiplayer required. Shares Indie and Casual with Horripilant.
A short incremental game about feeding a Black Hole matter by destroying Asteroids, Planets, and Stars.
- 8

IDLE BOSS RUSH
Single-player alternative to Horripilant — playable solo, no multiplayer required. Shares Indie and Simulation with Horripilant.
Slay giant bosses and turn the hollow wasteland into the almighty kingdom! Endlessly rewarding incremental game where you collect fountains of rare loot, unleash crazy combos and watch the monsters fall under your knees. Boss Rush that keeps on going when you're gone!
- 9

Realm Grinder
Single-player alternative to Horripilant — playable solo, no multiplayer required. Shares RPG with Horripilant.
Grow your realm, build alliances, and explore one of the deepest idle RPGs ever!