check out the world in 3D .. who makes also 3D with ZIM?
I found out Head-up display - Wikipedia
HUD stands for Heads Up Display, and refers to UI elements that always appear on the screen . Their size and positioning can be changed at any time to better suit the way you want to play the game. See the following sections for more details: Parts of the HUD. Modifying the HUD Layout, Step by Step.