07League

If you donate normally, you get a status on the forums, but I'm not sure since i'm not the owner, but maybe some ingame items? or just a status but i'm not 100% sure what Key's will do

You'll definitely get a status on the forums, there are 2 types:
Donator: Donate $5-$24
Epic Donator: Donate $25+

I don't think I'll ever offer in-game items, unless they're just cosmetic items. But that's still on a really rare occasion. I'll see what the players think once we get more.