Racer Kartz is a cool racing challenge in which you can show your racing skills. Choose the player mode and start the race. The game instructions are at the beginnning of the game, but generally what you need to know is that if you play the One Player mode you can use the mouse to move on the racetrack or left/ right arrow keys. S key or up arrow key are to enable shield with which you will be protected for 3 seconds. Try to avoid the obstacles and the other kartz, collect bonuses, get extra points and keep an eye on the various metters at the top.