Dementium: The Ward hands-on at DSFanboy.

"Tiny DS demo stations around Gamecock's Fury booth had demos of Dementium: The Ward available, and I made it a point to try Renegade Kid's horror FPS. The graphics may be simple in terms of polygons, but the game does its best to set a mood, which can be difficult on a handheld!"

Full Source: DSFanboy