Devolver Digital and developer Mommy’s Best Games are excited to announce that the bombastic 2D shooter Serious Sam Double D has been upgraded to Serious Sam Double D XXL on Steam! All the fantastic new content from the Xbox LIVE Arcade hit have made their way to Steam in a free title update to all current owners of the game. New levels, new guns, new vehicles and maximum chaos for free!

And for those Serious Sam fans that haven’t picked up Serious Sam Double D XXL yet, it is on sale this week as part of Steam’ Weeklong Deals promotion!