Here is the full list of all 32 Invector: Rhythm Galaxy achievements.
Complete 100 tracks.
Complete a song on any difficulty in split screen.
Complete the story by reaching the Origo Gateway.
Unlock all ships.
Complete all levels.
Complete all challenge levels.
Unlock all hidden songs.
Unlock all worlds.
Get an "S+ Rank" on all levels.
Get a total score of 1 000 000 across all tracks and difficulties.
Visit the Sea of Dunes.
Get an "A Rank" on 20 levels.
Get an "S Rank" on 20 levels.
Get an "S+ Rank" on 20 levels.
Get 100% note completion on Ultra.
Exit or restart from any ongoing track 100 times.
Collect 10000 Perfects.
Jump 1000 times with the ship on the Road.
Get a total score of 250 000 across all tracks and difficulties.
Twist the Tunnel 1000 times.
Hit 100 gates in Freefly.
Boost without missing anything on Ultra difficulty.
Get 100% note completion on Hard.
Collect 1000 Perfects.
Get 100% note completion on Normal.
Hit all gates in a Freefly segment.
Get 25% Perfects on any song.
Get 50% Perfects on any song.
Get 75% Perfects on any song.
Complete a song on any difficulty in Single Player.
Land 25 Perfects in a row.
Land 15 Perfects in a row.