iPhone has no fullscreen for web games. For a full-screen version: tap Share, then Add to Home Screen, and start the game from that icon.
Turn your phone sideways to play
Controls
←↑↓→ or WASD moveJ punch, three in a row end in an uppercutK kickL / Space jump, then J for a diving punch or K for a flying kickU HODL Blast, clears everyone around you, costs 12 HPP pauseGamepad: stick or d-pad move, X punch, Y kick, A jump, B or RB HODL Blast, Start pauseLedger throws cold wallets to heal you and ScamScout to expose the scammers.