Here is the full list of all 18 Null Drifter (JP) trophies - there are 4 bronze, 3 silver, 10 gold and 1 platinum.
Unlock all other trophies
Play the game 10 times
Kill 25 minions
Kill 75 minions
Kill 200 minions
Kill 5 bosses
Reach level 2
Reach level 4
Reach level 6
Collect 12 boosters
Collect 24 boosters
Collect 48 boosters
Unlock 5 palettes
Unlock 10 ship upgrades
Dash through an enemy
Collect a total of 100 coins
Collect a total of 300 coins
Collect a total of 600 coins