Are you looking for payload level design theory, game logic, or ?
While meant as a tool to make design easier, I'd recommend digging into the setup ABS's gametype library has for any logic concerns or simply looking at decompiled Valve maps (though those may have messy logic).
As for payload theory design there are a few ancient articles that may help you get a base understanding.
Well seems like cursory searches only return that article, but I'd recommend searching for general A/D design theory as well. I started writing much too much about my own theory on payload, but I don't actually know what you are looking for so I'll hold off unless there is interest.
Thank you, I'll be sure to look into that article. I've already been taking notes on the recompiled maps and been working with the game library. However, I'll probably be taking this slow and not rush a product.
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