Level codes (for v1.01):

 1 Player

 010 - get ready
 020 - go west
 030 - just do it
 040 - do your best
 050 - be careful
 060 - dont cry
 070 - viva dinos
 080 - mayday
 090 - bubble bobble

 2 Player

 010 - let it be
 020 - listen to your heart
 030 - watch your back
 040 - bandits on 12
 050 - help your friend
 060 - run dinos run
 070 - pop bubbles
 080 - your dream
 090 - finish