Free games like Kittens Game
Below are 8 free-to-play Steam games similar to Kittens Game, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Kittens Game page.
Ranked picks
- 1
Clicker Heroes
Free-to-play alternative to Kittens Game — no purchase or trial window. Shares Strategy with Kittens Game.
Click your way through hordes of monsters, earn gold, and recruit quirky heroes with powerful skills. Progress even while you're idle, and watch the numbers climb into the absurd. It’s a never-ending journey of clicks, crits, and colossal damage.
- 2
AdVenture Capitalist
Free-to-play alternative to Kittens Game — no purchase or trial window. Shares Casual with Kittens Game.
Welcome, eager young investor, to AdVenture Capitalist! Arguably the world's greatest Capitalism simulator!
- 3
Realm Grinder
Free-to-play alternative to Kittens Game — no purchase or trial window. Shares Strategy with Kittens Game.
Grow your realm, build alliances, and explore one of the deepest idle RPGs ever!
- 4
Cell to Singularity - Evolution Never Ends
Free-to-play alternative to Kittens Game — no purchase or trial window. Shares Casual with Kittens Game.
The epic story of evolution, technology, humanity, and dinosaurs is yours to tap.
- 5
Midas Gold Plus - Idle Clicker
Free-to-play alternative to Kittens Game — no purchase or trial window. Shares Casual with Kittens Game.
Discover Midas Gold Plus, an engaging idle clicker set in a mythical world! Harness King Midas' golden touch, build a legendary city, and unlock powerful champions. Master unique gameplay styles, explore pet battles, and conquer rival cities. Delve into this ancient tycoon adventure today!
- 6
Mr.Mine
Free-to-play alternative to Kittens Game — no purchase or trial window. Shares Casual with Kittens Game.
Explore the depths of the earth and uncover hidden treasures in this addictive idle mining game. Unlock the power of your drill with hundreds of upgrades, discover mysterious relics, and unearth priceless gems. Can you master the mines and reveal their deepest secrets? Dive in and dig deep!
- 7
PickCrafter
Free-to-play alternative to Kittens Game — no purchase or trial window. Shares Casual with Kittens Game.
Conquer PickCrafter, the hit indie idle game! Break blocks, forge equipment, and collect powerful Pickaxes. Prestige to legendary tiers with the new Ascension Skill Tree. Discover biomes and battle epic bosses. Make meaningful choices and invent complex builds in this addictive endless adventure!
- 8
Unnamed Space Idle
Free-to-play alternative to Kittens Game — no purchase or trial window. Shares Casual and Early Access with Kittens Game.
Destroy endless waves of alien ships that have all but wiped out humanity in this long form, unfolding, sci-fi idle game. Customize your ship with different weapons and defenses to defeat specific enemy types and utilize a ton of different systems to increase your overall power.