If I'm missing out on any existing APIs for doing this kind of stuff, please point me in the right direction! I'd like to see additional functions within Unity for direct HUD drawing - a 2D line drawing toolkit (lines, arcs, circles, rects, gradients etc.) A built in Sprite Management system would be nice as well. Coming from the FlatRedBall engine, I really wish Unity had some of it's 2D drawing and Sprite management features. In my game I need to add 2D HUD graphics to my cockpits: And to be able to draw 2D primitives: Granted with todays graphics, this to some can appear to be way outdated. That's why I also mentioned a built-in defacto Sprite Management system that everyone can depend on, with powerful image / UV coordinate manipulation features that would support these kinds of graphics overlay tasks. While I like the line-drawn instrumentation look, I would definitely consider putting together a 2D sprite based system provided I could achieve the same kinds of graphic overlays - gauges w/varying levels, blinking lights, radar / blip displays etc. Importing animated GIF image textures (w/transparency) would be nice also... -Will PS - What would be really nice is if XNA related graphics (DirectX only) calls could be mixed into the current render; being able to use XNA's graphics APIs to draw on top of Unity's would be really powerful IMO.