birds needed in mars is an upcomming episode in the 3d version of angry birds space
STORY (from the angry birds space 3d manual)
"the bad piggies put "wanted" pictures of the boomerang bird.
they try to hypnose him and steal the eggs.
but the birds are trying to stop the pigs and get the eggs"
level 1: do the pig huddle
level 2: mars most wanted
3: unlock the boomerang bird
4: boomer mania
5: stop the hypnosist bird
6: pig astroids
7: congratulations! there are the TWIN PIGS!!
8: laser n' boomerang together
9: birds headshot
10 (boss): giant boomerang bird