Mainbrace Mayhem is the second level appearing in Donkey Kong Country 2: Diddy's Kong Quest. This level also appears as the second in Gangplank Galleon. It comes after Pirate Panic and before Gangplank Galley.
This level is the first appearing rigging level in the game. It has Diddy and Dixie scaling multiple ropes and ship masts in order to progress. Two new enemies, Click-Clacks and Klingers, make their first appearance in this level. The returning enemies are Klomps and Neeks.