Two players can play through the game together however the unlocks don't carry over to the Story mode for either player.
Radiant Silvergun is considered to be one of the best shoot em ups of all time. Released first in the arcades, it also was available for the Sega Saturn. Ikaruga is a sequel of sorts, and the two games share many characteristics, like bonus points for killing enemies of certain colors in a chain.
This page contains co-op info for Radiant Silvergun on the Xbox 360. All information about Radiant Silvergun was correct at the time of posting. Information is subject to change. If you see any errors please email us.