Face Raiders is a 3D

Stereoscopy

Stereoscopy refers to a technique for creating or enhancing the illusion of depth in an image by presenting two offset images separately to the left and right eye of the viewer. Both of these 2-D offset images are then combined in the brain to give the perception of 3-D depth...

 augmented reality

Augmented reality

Augmented reality is a live, direct or indirect, view of a physical, real-world environment whose elements are augmented by computer-generated sensory input such as sound, video, graphics or GPS data. It is related to a more general concept called mediated reality, in which a view of reality is...

 video game developed by HAL Laboratory

HAL Laboratory

is a Japanese video game developer that was founded on February 21, 1980. It is headquartered in Chiyoda, Tokyo. Its name comes from the HAL 9000 computer in the film 2001: A Space Odyssey. The company is most famous for its character Kirby, the protagonist of the eponymous game series, as well as...

, and is preloaded on all Nintendo 3DS

Nintendo 3DS

The is a portable game console produced by Nintendo. The autostereoscopic device is able to project stereoscopic 3D effects without the use of 3D glasses or any additional accessories. The Nintendo 3DS features backward compatibility with Nintendo DS series software, including Nintendo DSi software...

systems.

Overview

After taking pictures of people's faces, the faces attack the player, who must shoot them. As people walk by in the background, the game takes pictures of them, adding to the faces the player must shoot, and adding to the player's score. The background of the game is of wherever the player is pointing the camera.
At the end of each stage, the player battles a boss. At the final stage, the player battles the enemies and the bosses of all the stages, without his/her life meter being refilled.