In World 5-A Chargin' Chuck Blockade Is Back, Chargin' Chuck will once again try to stop you, with a few friends this time around. You'll have to defeat all five to get the Green Star. World 5-A: ...
Above the first orange warp box is a hidden Green Star. Climb the wall in a Cat Suit or use the spring blocks and a wall jump to reach it. The purple box on the left side of the purple tower leads to ...