Two guys made an MMO: The Growtopia Postmortem

Two guys made an MMO: The Growtopia Postmortem

Tapjoy is a great way to let players watch a 20 second commercial, to buy gems using their time, and only if they choose to. (They get 90 gems, we get 5 cents, or whatever) However, due to me using it wrong (similar to IAP, I was using my code from

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