Puyo Puyo 2 [Model T-66037]

* Change Puyos' Colors: During the opening demo, press 1+2+START. The Puyos' colors will be inverted.

* Humans Puyos: During the opening demo, press Left, Up, Left,2, 1. A sound will confirm the code and the Puyos will have human form.

* Random Puyos form: During the opening demo, enter the sequence (Up, 1, Down, 2, Right, 1, Left, 2) x16. A sound will confirm the code and the Puyos will have their form changed for each opponent you face.