I found in email from devs another 4 keys:
KU72R-78X34-6XM5P-N78P6-4PXRX
KU73X-8PR55-X6864-427TX-66J7X
KU73T-J6P5J-J5MK4-7NX6X-K28UX
KU733-RJUM5-MU2K5-K4M72-6T4NX
Please let others know that you grabed one. You are welcome guys
Happy creating and playing!
KU72R-78X34-6XM5P-N78P6-4PXRX
KU73X-8PR55-X6864-427TX-66J7X
KU73T-J6P5J-J5MK4-7NX6X-K28UX
KU733-RJUM5-MU2K5-K4M72-6T4NX
Please let others know that you grabed one. You are welcome guys
Happy creating and playing!