Bonus movie
Complete expert mode with a rank of SS to unlock a bonus movie.
Get Expert Mission Mode
Defeat scenario mode with a rank A or better rating.
Get Free Mission Mode
Defeat scenario mode.
Get LX-30R machine
Complete scenario mode.
Unlock art gallery
Complete expert mode to access the art gallery.
Defeating upgrader Geo-Sweeper
On the mission where you are fighting the first upgraded Geo-Sweeper, choose Cloud-Breaker 05. Follow it until you get to the highway, then use timed A attacks to knock it out of the sky.