[ricardobeat]

Not all successful games share these traits. Paying to skip a level is sketchy. What if you make a level impossible to beat? How would you expect a player to tell?

[teamonkey]

One of the best arguments I've heard for being able to skip a level is from comedian Dara O'Briain.

http://www.youtube.com/watch?v=eG3aHvPG6H8

[dunkjmcd]

Deliberately impossible to beat?

[ricardobeat]

If your levels are not deliberately planned, one would say you're doing it wrong, usually :)