Enter the following code at the Password screen....

Level 3: R-F411W9Q986
Level 5: PJ04EK-5WT82
Level 7: MW0WEE6JRVF7
Level 9: VANDNEHF9807L
Level 11: MWAAK!8MDT76
Level 15: F!!NEHNW0Q73

Then you should go to your desired level

View Credits - Enter the following code at the Password screen - T0EJAMTEARL!

Then you should see the credits

High Funk Passwords - Enter these passwords at the password screen to go to your desired level with lots of Funk.

Password Effect

RWJ21EW1R80X Level 03 with 37 Funk
VJW6EK21-J07 Level 05 with 80 Funk
P0W09KAN-VQ Level 07 with 95 Funk
VDJF7M2DyT6L Level 09 with 99 Funk
VYJF73TH1PQQ Level 11 with 99 Funk
DKYQHX4!EV!7 Level 13 with 89 Funk
J11L3R4C13H7 Level 15 with 49 Funk