Separate names with a comma.
A lot of levels in insane mode are already impossible to complete with 100% kills without powerups, in my experience, so that's not really new...
Since I got this card, I haven't noticed anything different in gameplay, so my guess is it really is just an aesthetic difference.
night camouflage Has anyone figured out what the final card (night camouflage) actually does, apart from changing the color of your plane?