Free games like Feed the Reactor
Below are 8 free-to-play Steam games similar to Feed the Reactor, 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 Feed the Reactor page.
Ranked picks
- 1
Upload Labs
Free-to-play alternative to Feed the Reactor — no purchase or trial window. Shares Simulation with Feed the Reactor.
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
Unnamed Space Idle
Free-to-play alternative to Feed the Reactor — no purchase or trial window. Shares Simulation and Casual with Feed the Reactor.
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.
- 3
Revolution Idle
Free-to-play alternative to Feed the Reactor — no purchase or trial window. Shares Simulation and Casual with Feed the Reactor.
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
Clicker Heroes
Free-to-play alternative to Feed the Reactor — no purchase or trial window. Shares Strategy and Simulation with Feed the Reactor.
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
Idling to Rule the Gods
Free-to-play alternative to Feed the Reactor — no purchase or trial window. Shares Strategy and Simulation with Feed the Reactor.
Idling to Rule the Gods is a free to play Idle-Game with a lot of content and some Minigames. Depending on your play-style, you can play it fast or slow. Either way it can be fun for hundreds of hours!
- 6
Magic Archery
Free-to-play alternative to Feed the Reactor — no purchase or trial window. Shares Simulation with Feed the Reactor.
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.
- 7
PickCrafter
Free-to-play alternative to Feed the Reactor — no purchase or trial window. Shares Strategy and Simulation with Feed the Reactor.
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
Antimatter Dimensions
Free-to-play alternative to Feed the Reactor — no purchase or trial window. Shares Strategy and Casual with Feed the Reactor.
Earn antimatter through dimensions! Gain Infinite antimatter to collapse the universe!