Wex must travel through the Fotress to rescue the brawn's of the of the Wild 9 team Volstagg. Volstagg helps Wex to push over a gun ship off the fortress so Wex can get to his Jetbike.
Bombopolis has grinnders scartterd through out the stage
In-game appearance of the level
where the player can pick up enemies to chop them up and killing them. A couple times you have to destroy a grinder blocking your path where you have you have to trap three Shocktroopers to destroy the grinder and proceed through the level. Also one part of the level there are three propellers blocking the player's way it acts the same as the grinder does trap three Shocktroopers and the propellers will be destroyed and the player can proceed.