this is high difficulty level escape game. but no need specialized knowledge or calculator. You can surely escape if you observe and check firmly. use only tap and double tap. auto save.
减压拼图
过河三部曲
最强大脑层叠消融
BlockJigsawPuzzle
死亡杀手刺客
枪弹打击
火柴人空翻杀手4
失落的方洲