None, the sprite follows your mouse. If you want to make an simpler remix just take the number of steps down a bit. (Or up to make it harder) Get to the yellow! ( And yes, I know it's simple.)
None. But I will say for every 10 love-its this gets I will add 1 more level. ( It has 4! ) The levels never stop so expect to play levels more than once. v.1.0 Game Release
