TETRIS PLUS
Books: Playstation Secret Codes - Secret Codes 2003
Access to Seceret Puzzle Design Area
Continue hitting X ten times when puzzle design thingy is highlighted.
Fast Professor
In puzzle mode after you beat the stage and the professor has fallen
into the chamber below, press R2 to make the professor walk faster.
Level Select
Choose Puzzle Mode and select Password
As soon as the Password screen appears press Down, Down, Right,
Up, Up, Right, Up, Up, Up, Right
Repeat Step 2
Press X
When the game starts, a Stage Select will be available
