Run Giant 3D

No download, no account: Run Giant 3D is a Hypercasual game that runs where you found it. It is built for touch, so a phone or a tablet is the natural place for it. Listed under 3d, avoid, collecting, highscore, html.

It is drawn for a tall screen, so it fills a phone held upright rather than a wide monitor. Free to play in the browser, with no install step between you and the first round.