v1.0 - Try to find the codes:
Rookie Secret Codes:
<500 Background/Mode Change 1
<500 Background/Mode Change 2
<500 Background Change 1
<500 Background Change 2
<500 Modify Character 1
<500 Modify Character 2
<500 Modify Character 3
<500 Eliminate Green Balloon
Super Secret Codes:
500: Modify Ball 1
500: Modify Ball 2
500: Modify Ball 3
1000: 20 Ball Saves
1500: No Clock/Time Limit
2000: Enter Multiple Codes
2500: Hidden Character
3000: Supreme Unlock