Complete the indicated task to unlock the achievement.

Achievement	How to unlock
420	Unknown.
Borderline perfectionist	Collect max Stars with every character.
Critical mass	Activate 20 criticals.
Dian Hua!	Win with Dian Hua.
Jeff!	Win with Jeff.
Loser	Get the worst ending for a character.
Mediocre	Get a mediocre ending for a character.
Perfect score	Collect max Stars in one game.
Rena!	Win with Rena.
Sonic	Win with all characters under 20 minutes each.
Speedrunner	Win with a character under 10 minutes.
You died	Die.