Challenging Square - World's Most Difficult Game app for iPhone and iPad

This is extremely difficult which including 50 well-designed levels.
Theres only few people around the world can clear all levels.
According to the different levels, there are five difficulties：
Level 1-10: "Normal"
Level 11-20: "Difficult"
Level 21-30: "Serious"
Level 31-40: "Impossible"
Level 41-50: "Hell"
Wait......Where is "Easy"??? I just dont know.

There are many challenging functions and settings that may disrupt your sight.
Sometimes you will Move faster in one direction.
Sometimes the enemies will fade in and fade out.
Sometimes you will see the Teleport point which can take you to another space.
Sometimes you must move in the opposite direction.
Sometimes the enemies will disappear completely...

Rules: Just move the square to the terminal area without touching any enemy, and eat all golden coins before you finish one level.
There are three game mode you can choose:
Challenge Mode: this is a normal mode, and the time you spent and the number of deaths will be recorded.
Custom Mode: You can choose any level you want, and the time you spent and the number of deaths will be recorded.
Ultimate Mode: You only have one life at beginning, and every time you clear one level you will get one more life.

Are you ready?I dont think you can beat this game!

PS: no ads in this game!