Buy cars, modify their stats or grind until you become invincible. This endless runner game is all about buying car modifications to get the best score. Some of the mods include: 1. Slow motion - Classic mod which allows you to slow down time. 2. Invincible - Pass through other cars with taking no damage. 3. KABOOM - You know what this does ;) 4. Stemhead - What happen when car have got 1 milion kilograms? That's the stemhead :) 5. Nitro - Increase engine power and max speed for a while. Next t