Donkey Kong Country 2: Diddy's Kong Quest (V1.0) - Super Nintendo

Donkey Kong Country 2: Diddy's Kong Quest(V1.0) - SNES

Jump in Midair
4DAF-121F
54AF-12CF
A0AF-123F
1DAF-134F

Invincibility
4028-434D

No Need to Bash Baddies in Bonus Round to Get Coin
6D23-C26E

No Need to Get Stars in Bonus Round to Get Coin
6D22-CEAE

Exit Unbeaten Levels(Press Start to Pause then Select to Exit)
406C-C4A4

Beat One Enemy in Rickety Race Level to Get DK Coin
0C27-4A8B
0C27-4AEB
0C27-427B
6227-425B

Saving/Hire Plane are Free
40BB-4397
6DB3-43B7
CAB9-13B7