The dinosaur game is a built-in easter egg in the Google Chrome browser. When a person opens the browser on a computer or mobile device but does not have Internet connectivity, it is accessible. The dinosaur game is an 8-bit arcade-style endless-runner game in which a dinosaur must avoid obstacles.
Open Chrome when your machine is not connected to the Internet to play the dinosaur game. Then, press the spacebar to change the dinosaur icon into the dinosaur game.