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Secret Achievements (Show)
Story Clear: Easy
Clear Story Mode on Easy (or higher).
Story Clear: Normal
Clear Story Mode on Normal (or higher).
Story Clear: Hard
Clear Story Mode on Hard (or higher).
Story Clear: V. Hard
Clear Story Mode on V. Hard.
Arcade Clear: Easy
Clear Arcade Mode on Easy (or higher).
Arcade Clear: Normal
Clear Arcade Mode on Normal (or higher).
Arcade Clear: Hard
Clear Arcade Mode on Hard (or higher).
Arcade Clear: V. Hard
Clear Arcade Mode on V. Hard.
Challenge Mode Champion
Win a Challenge Mode fight against three opponents.
S-Rank: Chopper Core
Defeat the Chopper Core with an S-Rank.
Defeat Guppy with an S-Rank.
S-Rank: Gibby & Stu
Defeat Gibby & Stu with an S-Rank.
S-Rank: Spider Core
Defeat the Spider Core with an S-Rank.
S-Rank: White Mk II
Defeat White Mk II with an S-Rank.
S-Rank: Mantis Core
Defeat the Mantis Core with an S-Rank.
S-Rank: Bunny Rockette
Defeat Bunny Rockette with an S-Rank.
S-Rank: Laser Bots
Defeat the Laser Bots with an S-Rank.
S-Rank: Mirror Core
Defeat the Mirror Core with an S-Rank.
Defeat Battalion with an S-Rank.
S-Rank: Bubble Core
Defeat the Bubble Core with an S-Rank.
S-Rank: Dragon Heart
Defeat the Dragon Heart with an S-Rank.
Defeat the Rival with an S-Rank.
Secret Mission 01: Gate Crasher
Secret Mission 02: Anti-Omelette
Secret Mission 03: Lil' Mama
Secret Mission 04: Speed Demon
Secret Mission 05: Preferred Polarity
Secret Mission 06: Clean Shoes
Secret Mission 07: Perfect Pacifist
Investigate the pit in Guppy's Manor.
Recite some poetry atop the Hall of Heroes.
Reflect a bullet that was reflected by the Rival.