https://developer.apple.com/support/fee-calculator-for-apps-...
Enter "No" to digital goods selling (you are making OpenFlappyBird as a personal project, and are not charging for it!)
Enter 10,000,000 Annual installs.
Check "New Capabilities and Terms" (you are putting it on OpenMarketPlace).
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Where did I go wrong? This is a genuine question: I am not an iOS developer, maybe I am not applying this calculator correctly to my hypothetical?