Bowser CastleMSS
Bowser's Castle is a stage that appears in the Mario Baseball series, Lava Bubbles can occasionally from lavapits, burning the player hit by it, as well as Thwomps that can squash the player.

In Mario Super Sluggers, the course has slight changes, the Lava Bubbles can make fire puddles on the ground, there is also a Bowser Statue that spits fireballs, and Big Bob-omb will throw Bob-ombs from a Koopa Clown Car.