Get all other trophies.
Complete Fortress Zone 4 and defeat General Creeper.
Complete Fortress Zone 3 and defeat General Creeper second machine.
Complete Fortress Zone 2 and defeat General Creeper first machine.
Complete Fortress Zone 1 and defeat GAL.0X.
Defeat GAL.04 and get the WARP.
Defeat GAL.02 and get the DASH.
Defeat GAL.01 and get the SHIELD.
Collect 3 gears.
Defeat GAL.03 and get the BUSTER.
Defeat any of your GAL sisters.
Collect 2 gears.
Die by spikes.
Reach a checkpoint on any level.
Rebirth with a gear.
Collect 1 gear.
Fall of a level.
Die for the first time.
Complete the tutorial level with GAL.00.
Watch the intro without skipping it.