Game: Play Castaway Island TD, a free online game on Kongregate

Level Completed after 1 kill
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12 00 00 00 29 60 ?? ?? 66 ?? ?? 24 00 af 12 0a 00 00

Get money instead of paying when building towers
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66 81 21 A0 61 DE 0A

One tower shot kills
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Tower upgrades from one kill
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You don't lose gold when your hit
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You can always add gems
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Can always upgrade a tower (You also get a heck load of money with this)
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Credits go to various people