I just got around to playing REVOLVER360 RE:ACTOR today.
This game is legit, you guys.
I have an odd relationship with shmups because I'm not that great at them. I don't always manage to complete all of the highest regarded ones. The best just feel awesome to play, though.
This game has a silly name but the triggers (if on a controller) rotate the screen around the action. This lets you turn a screen full of bullets into a single line and then use a laser to blast the bullets apart for points. It sounds like a gimmick but it's a lot of fun and provides a really interesting challenge and a one of the most fun and unique scoring systems I've seen.
The rotation mechanic is also important because you auto-kill items and enemies that are in the background, which you can only see/target if you are rotated a certain way. There are sections where you have to keep your screen facing "forward" to destroy obstacles in the way, while balancing the need to rotate to survive enemy shots.
I think there may be 4 levels with bosses. I'm not sure because I have only managed to beat the stage 3 boss in the single mission mode. I'm definitely going back though, and I recommend it strongly to shmupGAF.
p.s. I swear I'll try Crimzon Clover next.