For those who are fan of puzzle and logic games, lightup challenge is the total brain twister. Use appropriate lazer beams to colored targets on the screen in lightup challenge. Keep away from black holes in lightup challenge. Lightup challenge allows you to use tools like mirrors, color-changing prism, light benders, splitters, breakers, mixers at your disposal. Drag the suitable items on the screen and drop to the right place. A tap on an item rotates it allowing you to set the right direction. Avoid directing light into the black holes though, as this would create a temporal hole that will speed up time and impact on your final score. It is all about tactics and wisdom.