Undertile

Set the rules and the original (basic) the same, but is really a randomly generated maze
Green brick battle system is too troublesome so it becomes no effect but will listen to MTT Jiaochuan asthma (fog)
There are four difficulty now:
Level.Dummy: You tell me this level you can not play

Level.Dog: No simplified version of purple bricks and orange bricks, guaranteed solution

Level.Papyrus: normal difficulty, to ensure that there is solution (but I do not know why often simple into a dog

Level.Sans: completely random, do not guarantee a solution, to the same person to play Sans

Was sealed dead Sans give you a brush out of the solution without any matter as long as the light immediately ACT is determined to be full
#puzzle