Goomba Squad, Go!

Goomba Squad, Go! is the first compulsory level of the Bowser Jr.'s Journey mode of Mario & Luigi: Bowser's Inside Story.

Overview
After being given the recipe of Skeletone Formula:D, the Koopalings decide to go and find the ingredients. Bowser Jr. wants to do so, too, to impress his father. As a test of strength, Ludwig sends Captain Goomba and the other captains to fight Bowser Jr.

During the first round, Bowser Jr. has only one Mechakoopa as a troop. In the second round, he summons two more.