High Seas Hi-Jinks is the sixth level of Crash Twinsanity. It takes place on N.Gin's battleship near the Iceberg Lab. It is opened up once you complete Slip Slide Icecapades. The point is that N. Gin's battleship has a well-needed crystal. It has a mini-boss featuring N. Gin, a chase with Rusty Walrus, and a boss fight with N. Tropy and N. Brio at the end.
- N. Gin's crow's nest falls apart.
- Crash falls into corridor on the battleship.
- Rusty Walrus breaks down a door.
- Rusty Walrus: "Ah, yummy fresh meat for my pot!"
- Crash leaves battleship onto a small island full of TNT crates.
- N. Gin lands head first onto a TNT crate.
- TNT counts down.
- Colossal explosion sinking the ship.