Free games like Simultree
Below are 8 free-to-play Steam games similar to Simultree, 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 Simultree page.
Ranked picks
- 1
Upload Labs
Free-to-play alternative to Simultree — no purchase or trial window. Shares Simulation with Simultree.
A sci-fi management game where you build and optimize your computer's system from the ground up. Connect and configure interconnected nodes to efficiently download, process, and upload files. Manage your setup, solve system challenges, and become the ultimate system architect
- 2
Magic Archery
Free-to-play alternative to Simultree — no purchase or trial window. Shares Simulation with Simultree.
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.
- 3
Revolution Idle
Free-to-play alternative to Simultree — no purchase or trial window. Shares Simulation and Casual with Simultree.
Join an experience where each revolution takes you further into the unknown! Revolution Idle challenges you to multiply your accumulators to reach unimaginable heights. Will you manage to reach infinity?
- 4
Unnamed Space Idle
Free-to-play alternative to Simultree — no purchase or trial window. Shares Simulation and Casual with Simultree.
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.
- 5
Bongo Cat
Free-to-play alternative to Simultree — no purchase or trial window. Shares Simulation with Simultree.
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?
- 6
Mr.Mine
Free-to-play alternative to Simultree — no purchase or trial window. Shares Casual with Simultree.
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
NGU IDLE
Free-to-play alternative to Simultree — no purchase or trial window. Shares Simulation with Simultree.
NGU Idle is a Free To Play Idle game that's full of weird humor, tons of upgrades and hundreds of hours of content! Try out NGU Idle today and experience the joy of Numbers Going Up!
- 8
PickCrafter
Free-to-play alternative to Simultree — no purchase or trial window. Shares Casual with Simultree.
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!