Upgrade From GameMaker Studio Standard To Professional For $25

Following the recent and now expired offer to get GameMaker Studio Standard edition for free, you can now upgrade from the Standard version to GameMaker Studio Professional for a discounted price of only US $25 until January 5, 2014. The normal price to upgrade is $50. To take advantage of this offer, go this page and enter your GameMaker Studio Standard license key, choose ‘Upgrade’, and then checkout.