Game: Play DuckLife 4, a free online game on Kongregate

Insta-win a race (You actually come first, second third and fourth simultaneously. Still classed as a win though.)
10 12 9d 02 00 ?? ?? 96 07 00 08 04 07 01 00 00 00
10 12 9d 02 00 00 00 96 07 00 08 04 07 01 00 00 00

No level requirements
12 9d 02 00 2c 00 96 02 00 08 00 1c 96 07
12 9d 02 00 00 00 96 02 00 08 00 1c 96 07

Changes swim level to 150

96 02 00 08 00 1c 96 02 00 08 02 4e 96 05 00 07 dc 05 00 00 67 12
96 02 00 08 00 1c 96 02 00 08 02 4e 96 05 00 07 00 00 00 00 67 12

Changes fly level to 150
96 02 00 08 00 1c 96 02 00 08 03 4e 96 05 00 07 dc 05 00 00 67 12
96 02 00 08 00 1c 96 02 00 08 03 4e 96 05 00 07 00 00 00 00 67 12

Changes run level to 150
96 02 00 08 00 1c 96 02 00 08 01 4e 96 05 00 07 dc 05 00 00 67 12
96 02 00 08 00 1c 96 02 00 08 03 4e 96 05 00 07 00 00 00 00 67 12

Changes climb level to 150
96 02 00 08 00 1c 96 02 00 08 04 4e 96 05 00 07 dc 05 00 00 67 12 96 02 00 08 00 1c 96 02 00 08 03 4e 96 05 00 07 00 00 00 00 67 12

Changes jumping level to 150
96 02 00 08 00 1c 96 02 00 08 05 4e 96 05 00 07 dc 05 00 00 67 12 96 02 00 08 00 1c 96 02 00 08 03 4e 96 05 00 07 00 00 00 00 67 12

Buying corn adds money:
96 02 00 08 03 4e 96 05 00 07 0f 00 00 00 0b
96 02 00 08 03 4e 96 05 00 07 0f 00 00 00 0a

Instantly changes ALL levels from ALL (your) ducks to 150:
96 02 00 08 00 1c 96 02 00 08 ?? 4e 96 05 00 07 dc 05 00 00 67 12 9d 02 00 11 00
02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02

Changes fly level from the first duck to XX XX (only works with above AOB):
96 07 00 08 03 07 dc 05
96 07 00 08 03 07 XX XX

where "XX XX" is the Hex value of lvl * 10.

For example:
lvl 50 => XX XX = F4 01
lvl 100 => XX XX = E8 03

Credits go to various people