Free games like Mango's Fisharium
Below are 8 free-to-play Steam games similar to Mango's Fisharium, 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 Mango's Fisharium page.
Ranked picks
- 1
AdVenture Capitalist
Free-to-play alternative to Mango's Fisharium — no purchase or trial window. Shares Indie and Casual with Mango's Fisharium.
Welcome, eager young investor, to AdVenture Capitalist! Arguably the world's greatest Capitalism simulator!
- 2
Travellin Cats in Paris
Free-to-play alternative to Mango's Fisharium — no purchase or trial window. Shares Indie and Casual with Mango's Fisharium.
Find 100 cats hidden in Paris, France in this cute hand-drawn hidden object game by Travellin Cats - the original viral hidden cat game creator!
- 3
Magic Archery
Free-to-play alternative to Mango's Fisharium — no purchase or trial window. Shares Indie and Simulation with Mango's Fisharium.
Train a commoner to become the greatest archer in this short incremental game! Increase your stats, gather wealth from quests, buy upgrades, and infuse your arrows with magic.
- 4
Clicker Heroes
Free-to-play alternative to Mango's Fisharium — no purchase or trial window. Shares Strategy and Indie with Mango's Fisharium.
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.
- 5
Leaf Blower Revolution - Idle Game
Free-to-play alternative to Mango's Fisharium — no purchase or trial window. Shares Indie and Casual with Mango's Fisharium.
Blow leaves, upgrade your gear, and automate your progress as you explore the Leaf Universe. A satisfying incremental idle game where every leaf blown brings you closer to the next big upgrade. Simple, relaxing, and endlessly rewarding. Let the leaves fall, and your progress rise!
- 6
Silly Linguine Cat Simulator Deluxe Online
Free-to-play alternative to Mango's Fisharium — no purchase or trial window. Shares Indie and Simulation with Mango's Fisharium.
Silly Linguine Cat Simulator Deluxe Online is a clicker game where progression is replaced with gambling, where the goal is simply to collect the rarest silly linguine cats.
- 7
PickCrafter
Free-to-play alternative to Mango's Fisharium — no purchase or trial window. Shares Strategy and Indie with Mango's Fisharium.
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
Cats and Seek: Osaka
Free-to-play alternative to Mango's Fisharium — no purchase or trial window. Shares Indie and Casual with Mango's Fisharium.
Hey, do you have 5 minutes to spare? Let's play hide and seek with 100 cats in Osaka! 😻 Can you find them all?