COO: Covert Ornithological Operations

At a glance

COO: Covert Ornithological Operations is a free action and adventure game that plays in your browser on coo.mx. On Foundplay since November 9, 2026.

Questions

Is COO: Covert Ornithological Operations free to play?

Yes. COO: Covert Ornithological Operations is free and plays in your browser on coo.mx. Foundplay links to it but doesn't host it.

Do I need to download COO: Covert Ornithological Operations?

No. It runs in a browser tab, with nothing to install.

Is COO: Covert Ornithological Operations safe?

Foundplay checks its link every few hours and gives it a daily safety check (malware blocklists, downloads, crypto miners, parked domains and fake virus warnings), and hides the game at once if that check fails. No check can promise a site is safe: if a game asks you to download something or for a password, leave it.

What games are like COO: Covert Ornithological Operations?

Relax Fishing — Free Browser Fishing Game, Scrapbound and Timberfall: Forestry Simulator by Gerber-Software, from More like this below. They're free in your browser too.

Who made COO: Covert Ornithological Operations?

It was made by @yegor on X.