Free games like Proton & Electron
Below are 9 free-to-play Steam games similar to Proton & Electron, 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 Proton & Electron page.
Ranked picks
- 1
Life is Strange - Episode 1
Free-to-play alternative to Proton & Electron — no purchase or trial window. Shares Action and Adventure with Proton & Electron.
Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.
- 2
Helltaker
Free-to-play alternative to Proton & Electron — no purchase or trial window. Shares Indie and Adventure with Proton & Electron.
Helltaker is a short game about sharply dressed demon girls.
- 3
Bongo Cat
Free-to-play alternative to Proton & Electron — no purchase or trial window. Shares Indie with Proton & Electron.
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?
- 4
ENA: Dream BBQ
Free-to-play alternative to Proton & Electron — no purchase or trial window. Shares Indie and Adventure with Proton & Electron.
Experience surreal environments and inexplicable characters as ENA in a new wild world.
- 5
Indigo Park: Chapter 1
Free-to-play alternative to Proton & Electron — no purchase or trial window. Shares Action and Indie with Proton & Electron.
Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.
- 6
The Looker
Free-to-play alternative to Proton & Electron — no purchase or trial window. Shares Indie with Proton & Electron.
You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.
- 7
Travellin Cats in Paris
Free-to-play alternative to Proton & Electron — no purchase or trial window. Shares Indie and Casual with Proton & Electron.
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!
- 8
Grimm's Hollow
Free-to-play alternative to Proton & Electron — no purchase or trial window. Shares Indie and Adventure with Proton & Electron.
A spooky, freeware RPG where you search the afterlife for your brother. Reap ghosts with your scythe, explore haunted caves, and eat ghostly treats on your journey through death.
- 9
Linebound
Free-to-play alternative to Proton & Electron — no purchase or trial window. Shares Indie and Adventure with Proton & Electron.
One player navigates. One player creates. Linebound is a 2D asymmetric co-op puzzle platformer where one player navigates the world while the other draws platforms in real time. Progress is only possible through communication.