Bowser's Bullet Bill Brigade

Bowser's Bullet Bill Brigade, or World 2-Tank, is the final level of World 2, and the twelfth level overall. It is the first figh5t with Boom Boom. It's autoscrolling and straightforward.

GS 1: Three Venus Fire Traps will be guarding the Green Star.

GS 2: The Green Star is in a crate. Zap it!

GS 3: At the Warp Pipe to Boom Boom, shoot a cannonball an the Bowser wall. The Green Star is revealed in the ruins.

Stamp: The stamp, which is Boom Boom, is on a large tank. It's in plain sight.