[Brett]

The first half of the game is easier on the whole I'd say, mainly because we're introducing new mechanics -- giant blocks, ice blocks, rotten, etc. and we wanted the solutions to be more fun than punishing. We took the difficulty curve seriously, as you don't need to complete every level to continue on.

The second half has some nice hard levels, classic pp1 and pp2 stuff, as well as some real devious solutions using a bunch of the new mechanics all at once.

There's also 24 lateral thinking 'puzzle' achievements, 2 in each world. There's a hidden world, secrets sprinkled across the game and even some stuff that breaks the 4th wall. /end salesman