Here is the full list of all 19 COTTON REBOOT! achievements.
You have won all the trophies!
Cleared X68000 mode. (stock, character, difficulty, continue, no questions asked)
I played 5 minutes of time attack.
I played 2 minutes of time attack.
Cleared the arrange mode with silk. (stock, character, difficulty, continue, no questions asked)
Special strong enemies character has appeared. (Arrange Mode)
I shot a black crystal and destroyed it. (Arrange Mode, Time Attack Mode)
Defeated the boss using a fairy. (Arrange Mode)
The boss was defeated by the barrier's body.(Arrange Mode)
Collected 6 of the same magic. (Arrange Mode, Time Attack Mode)
Clear Arrange Mode 1 to 3 with no mistakes! (Regardless of remaining machine, character, or difficulty level)
Clear Arrange Mode 1 and 2 with no mistakes! (Regardless of remaining machine, character, or difficulty level)
Clear the first page of Arrange Mode with no mistakes! (Regardless of remaining machine, character, or difficulty level)
Cleared the arrange mode. (stock, character, difficulty, continue, no questions asked)
Cleared the arrange mode with cotton. (stock, character, difficulty, continue, no questions asked)
Defeated the boss using magic. (Arrange Mode)
I shot Jizo and defeated it. (Arrange Mode, Time Attack Mode)
Cleared the stage leaving 6 magics. (Arrange Mode)
The jewel counter is set to MAX. (Arrange Mode, Time Attack Mode)