Game: Play Zombie Mania, a free online game on Kongregate

buying gun stuff gives you money
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96 08 00 04 01 08 2c 04 01 08 2c 4e 96 02 00 04 03 0a

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96 08 00 04 01 08 2c 04 01 08 2c 4e 96 04 00 04 01 08 ?? 4e 96 02 00 04 02 4e 0b

Invulnerable
96 02 00 08 31 1c 4e 4e 0b
96 02 00 08 31 1c 4e 4e 02

Ammo does not decrease
08 09 1c 4e 96 05 00 07 01 00 00 00 0b 4f
08 09 1c 4e 96 05 00 07 01 00 00 00 02 4f

Gun Upgrade: Fast Repetition
96 04 00 08 08 08 08 1c 96 05 00 07 01 00 00 00 0b 1d
96 0b 00 08 08 06 00 00 00 00 00 00 00 00 1d 02 02 02

Credits go to various people