General Hints (solutions see below)

• A room is too hard to finish?
  Try reducing the GAMESPEED. You can do this in the menu under OPTIONS.
   
• What's the THRUST key?
  Press shift, ctrl or space to move faster up and down.
   
• What's a pink heart good for?
  Use it to smash blocks like wood blocks or all kinds of color blocks.
   
• And a power heart?
  It's like the normal heart but you can smash 5 blocks in a row.
   
• There are color blocks in the room but there is no color switch that fits.
  You have to find another way to destroy these blocks.
  There are several ways to destroy blocks.
  - Maybe a pumpkin can smash it from the side?
  - Drop an apple on the block to destroy it.
  - Take a heart and remove the block.
  - Tease a blade to chase you and make it hit the block.
  - Is there a Muncher who has the same color and can eat it?
   
• How can i destroy a cactus?
  It can only be removed by a Ladybug.

click link below for solutions to demo version levels (warning : spoilers)