Game: Play Kill the Heroes, a free online game on Kongregate

Insta win
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61 ?? ?? d1 66 ?? ?? 24 00 0d 00 00 00 5e

infinite shields (resets when hits 0)
61 ?? ?? d0 d0 66 ?? ?? 93 68 ?? ?? d0 66 ?? ?? 24 00
61 ?? ?? 02 02 02 02 02 02 02 02 02 02 02 24 00 24 00

money stuff (some of it at least)
a1 68 9d 0f
a0 68 9d 0f

Easy badge
2c b1 12 d0 66 83 0f 93
2c 96 12 24 03 02 02 02

1st Medium badge
2c fd 11 24 01
2c af 12 24 01

2nd Medium badge
2c b2 12 d0 66 f8 11
2c b2 12 24 0f 02 02

Credits go to various people