How To Unlock Hidden Stage

Stage : Crumble Zone

Movie

[Sliat]

what i cant see

[Sir_Ox]

uhh... this stage is hidden? I thought you just unlocked it...

[手残女玩家]

I can't see the content...why??could you help me?

[⚓Miℍ@ℕiK⚓]

Thx. I missed this secret.

[helix2]

Wow. I just played that level, and wondered about that right side. I don't yet have the traps to make it work, but very cool.

[coral]

Crumble Zone

[Hugh]

Tell us which level to play on first before you tell us how to unlock the secret level!!

[胜天半子古尔丹 G.B.F.]

非常感谢！看了这个才知道有个隐藏关卡可以解锁。
Thanks a lot! I didn't know there was a hidden stage before I watched the video.