Flow Free: Bridges

Flow Free: Bridges is one of the Hypercasual games here that asks for no download and no sign-up. Designed around touch input, and comfortable on a small screen. Listed under 1 player, adventure, boy, casual, endless.

It is drawn for a tall screen, so it fills a phone held upright rather than a wide monitor. Nothing is saved to an account, because there is no account — progress lives in this browser.