Face Raiders

Face Raiders is a 3D augmented reality video game developed by HAL Laboratory, and is preloaded on all Nintendo 3DS 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.[2] The background of the game is of wherever the player is pointing the camera.[3]
References

^ "Iwata Asks : Nintendo 3DS : Using Frustration as a Springboard: Face Raiders". Nintendo. Retrieved 2011-03-30.
^ Andrew Yoon (Jan 19th 2011). "Face Raiders preview: seriously, it's called Face Raiders". Joystiq. Retrieved 2011-03-28.
^ Maxwell McGee (Jan 19, 2011). "Face Raiders Hands-On - 3DS Previews at GameSpot". GameSpot. Retrieved 2011-03-28.