Parappa The Rapper 2 - Platform: Playstation 2

Shuriken mode
--------------
Hold R1 + R2 then choose a stage at the selection screen.
Shurikens will replace the buttons during a song.

Fast start
----------
Hold L1 + L2 then choose a stage at the selection screen.

Blue hat
--------
Successfully complete the game to unlock a blue hat for Parappa. Press the
Right Analog-stick at the "Press Start" screen to select the new color.

Pink hat
--------
Successfully complete the game with the blue hat to unlock a pink hat for
Parappa.
Press the Right Analog-stick at the "Press Start" screen to select the new
color.

Yellow hat
----------
Successfully complete the game with the pink hat to unlock a yellow hat for
Parappa.
Press the Right Analog-stick at the "Press Start" screen to select the new
color.

Song test
---------
Successfully complete the game with the yellow hat to unlock a new dog house
that allows you to listen to any song in levels that you finished with a cool
rating.

Bonus stage
-----------
To unlock a bonus stage after any regular stage, finish the stage with a
good score (near 1,000 points). You will be brought to Chop Chop Master Onion 
Head who gives you a fun, yet somewhat repetitious bonus game between the end 
of the stage you just finished and returning to the stage selection map.

Secret song
-----------
Go though the opening FMV sequence to the part where PaRappa is writing his
name and all the characters appear. Wait until a demo of the game appears. 
Go though the demo and  the opening FMV sequence will appear again. Go though 
that and go though the part where PaRappa writes his name and wait again. 
Instead instead of them showing a demo, the colorful noodles will appear on 
the sides of the screen and the song will start playing.

Sunny's music video
-------------------
Successfully complete the game with the yellow hat, then do the "Secret
song" trick. Go though the whole song, then a music video with Sunny singing 
her intro music on stage will begin.

Control time of day
-------------------
The game places Parappa's neightborhood at the same time of day indicated by
the PlayStation2's  time setting. For example, if you set the Playstation2's 
time to 11:30 a.m., it will be bright and sunny in the game. If it is 7:00 p.m., 
it would be sunset. If you set the time to 10:30 p.m. it will be dark outside.