Fly Over Glass Wall
While playing as Stewie, when in Bertmans lair the
part with the 4 purple ball shooting things, jump
in the one on the left hand side in the second
row then there will be one of those cages. Shoot
the cage off, jump in the little space, then jump
on the first glass wall and then just glide with
the balloons over the next wall.
In Peter's levels, there are health packs and
food in trees and cars. Trees your able to just
punch and kick( Beware of various enemies that
fall out such as kids, disabled cats, fridges, and
safes). For cars you have to head butt to receive
a super health pack.