Secret - Different Hats/Difficulty Levels | |
| Beat the game three times, and each time you will unlock a different color hat in this order: blue, pink, and yellow*. Each time you beat the game it becomes slightly harder too. *Using the right analog stick at the press start menu, the hat color will change, but not the diffuculty. | |
Secret - Skip Boxy Boy | |
| To skip straight to the song, skipping the movie sequences and Boxy Boy, hold both ''L'' buttons when selecting the stage. | |
Secret - Ninja Star Mode | |
| To play a level in Ninja Star Mode, hold both R buttons when you select a stage. In Ninja Star Mode, the button icons are replaced with ninja stars, which are wild cards. | |
Secret - Fast Start | |
| Hold L1 + L2 then choose a stage at the selection screen. | |
Secret - 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. | |
Secret - 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 - 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. | |
Unlockable - Dog House Soundtrack | |
| Beat the game wearing the yellow hat and you will be given the dog house which lets you listen to music from all of the levels. | |
Unlockable - 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. | |
Unlockable - Unlock Songs for Record house. | |
| Stage song | Get a cool ranking on that stage and pass the freestyle |
Password - Random Alternate Lyrics | |
| After getting the yellow hat, hold the R3 button, then choose a stage at the selection screen. The song will open with one of its alternate lyrics at random, ranging from very easy to very hard. | |
| Random Alternate Lyrics | Hold R3 at stage option screen |
