Animation file used by video games, such as Batman: Arkham Asylum and Mass Effect; similar to the .SWF file format; contains vector and raster graphics; also may include ActionScript interactive actions. Before Scaleform was acquired by Autodesk in 2011, they developed Scaleform GFx, which is a graphics rendering engine. Scaleform GFx is used to display video game user interfaces, HUDs (head-up display), and animated textures that are based on Adobe Flash.