There are three main ways to access Brotato without an upfront cost:
A free "Legacy Demo" is available on Itch.io for Windows. Note that this is an older version of the game and does not receive updates. Brotato Free
You can download a free-to-play version of Brotato from the Google Play Store and Apple App Store . This version is supported by ads and in-app purchases. There are three main ways to access Brotato