Here's a runthrough of chapter 1 of Ikaruga for the Xbox 360. Obviously not the best Ikaruga run you've seen, but it's the best you'll probably ever see me do in the game...
From Wikipedia:
is a shoot 'em up video game developed by Treasure. It was released in the arcades in 2001 on the Sega NAOMI, subsequently released on Dreamcast in Japan and then worldwide on the Nintendo GameCube, and was released on Xbox Live Arcade on April 9, 2008. It is a spiritual sequel to Radiant Silvergun.
Learn about Ikaruga