Free games like Zoo Protocol
Below are 8 free-to-play Steam games similar to Zoo Protocol, 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 Zoo Protocol page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to Zoo Protocol — no purchase or trial window. Shares Indie with Zoo Protocol.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
Bongo Cat
Free-to-play alternative to Zoo Protocol — no purchase or trial window. Shares Indie and Simulation with Zoo Protocol.
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?
- 3
ENA: Dream BBQ
Free-to-play alternative to Zoo Protocol — no purchase or trial window. Shares Indie and Adventure with Zoo Protocol.
Experience surreal environments and inexplicable characters as ENA in a new wild world.
- 4
Indigo Park: Chapter 1
Free-to-play alternative to Zoo Protocol — no purchase or trial window. Shares Indie and Adventure with Zoo Protocol.
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.
- 5
STRAFTAT
Free-to-play alternative to Zoo Protocol — no purchase or trial window.
STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.
- 6
The Looker
Free-to-play alternative to Zoo Protocol — no purchase or trial window. Shares Indie with Zoo Protocol.
You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.
- 7
Counter-Strike:Global Offensive
Free-to-play alternative to Zoo Protocol — no purchase or trial window.
Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).
- 8
Grimm's Hollow
Free-to-play alternative to Zoo Protocol — no purchase or trial window. Shares Indie and Adventure with Zoo Protocol.
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.