About T-Rex Runner GameT-Rex Runner is an endless dinosaur running game. Left click or hit the spacebar to jump. Time your jumps to jump over the cactus and any low flying birds. The game ends whenever you run into either a bird or a cactus. This is a JavaScript web application which uses cross-platform mobile-friendly HTML. All modern web browsers like Microsoft Edge, Apple Safari, Google Chrome, Mozilla Firefox and Opera should support it. This game works on just about any type of computing device including Microsoft Windows desktop computers, Apple OSX Mac computers, iOS powered tablets and phones like the iPad and iPhone, laptops like the Google Chromebook, and the many types of mobile phones from manufacturers like Samsung which are powered by Google Android.