Go to kag2d.com/en/buy , scroll to the bottom and pay with your desired method. Simple!
Can you add xyz feature to the game?
Long story short, maybe, probably not. Understand that all ideas submitted to us are taken to be free of charge unless explicitly agreed beforehand with us.
Can you fix this bug?
Yes. Go to bugs.kag2d.com and submit it there (checking if its already been submitted, of course). Pestering us about it on the forums helps, though remember that we've got thousands of people telling us off each day - try to be nice.
How many people work on KAG?
2 people work on the game itself, Michal 'MM' Marcinkowski and Max 'Geti' Cahill. A further 5, Tom 'Shadlington' Robinson, Lucas 'Furai' Grzegorczyk, Ryan 'FliesLikeABrick' Rawdon, Dave 'SirSalami' Talamas, and Joe 'jrgp' Gillotti work on the community an admin side of things.
How do I make a forum account?
Make a KAG account - your KAG login details 'just work' on the forums.
How can I help?
First and foremost, if you like the game, buy it! We're independent developers and our existance hinges on sales! Secondly, spread the word! Tell your friends about the game, gift it to people, and spread it via social media.