SANTA IS HUNGRY! Pandemia: Doomed Xmas is bonus campaign to Pandemia, first time released in Pandemia: Collectors Edition before christmas 2011. Now it's available in stand-alone DLC, so you don't have to download Pandemia: Collector's Edition!
NOTE: YOU NEED GM8 PRO! Dragonov3D is open-source GameMaker based FPS-game engine, developed by Electro Games Finlandos. You can use it to make your own games if you remember to give credits to us. Also add your game to Dragonov3D under the engines tab. Contact us if you have anything to ask.
how do i use it i extracted it but its a gmk file and i cant open it
You need Game Maker 8 Pro