Game File: 

Game Title - Lost Levels - 2013-02-19.zip

This is a sort of sequel to Game Title, inspired a bug that came up.
It is very difficult to complete it.
It is possible to complete it.
It is possible to get stuck.
If you're not absolutely certain that you're stuck, you're probably not stuck.
Sorry.

edit (04/03): mac version http://www.mediafire.com/?2qk87rrli3b96s0 (thanks mcc)