In Atom Heart Bike Game, you would have to charge the Tesla Blaster by collecting the energy cocoons. Charging the Tesla Blaster will enable you to start with the game. Once you press the button SPACE, the charged Tesla Blaster will get activated. In order to pause the game, you can press the button P. There are several other buttons for different actions. In order to MOVE hold the UP and DOWN arrow keys. If you wish to TILT hold the RIGHT or LEFT button. Operating the keys is easy read the instructions and you will get the idea!