Here is the full list of all 12 Space Channel 5: Part 2 achievements.
Achieve 100% in Single Player Ulala's Dance Mode.
Achieve 25% in Single Player Ulala's Dance Mode.
Achieve 50% in Single Player Ulala's Dance Mode.
Clear Report 1 in Single Player Story Mode.
Clear the Single Player Ulala's Dance Mode.
Rescue Space Michael.
Clear Reports 1-6 in Single Player Story Mode for the 2nd World (Extra Mode).
Earn perfect ratings for all the Reports in Single Player Story Mode.
Clear all the hidden commands.
Rescue Jaguar.
Clear Reports 1-6 in Single Player Story Mode.
Earn a perfect rating in any one Report in Single Player Story Mode.