Play as Spike Jr.

Complete the game with Butch to get Spike Jr.

Play as Tuffy

Complete the game with Spike Jr. to get Tuffy.

Play as Duckling

Complete the game with Tom or Jerry to get Duckling.

Play as Butch

Complete the game with Duckling to get Butch.

Play as Spike

Complete the game with Tuffy to get Spike.

Teamplay mode

Complete the game with Spike to get teamplay mode.

Unlock Everything

At the main screen hold L and press C-left, C-right, L, C-up, Start.