| Achievement | How to unlock
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| A Cut Above (30 points) | Exceed a score of 10,000 in Arcade Mode.
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| All Together Now! (30 points) | Complete Story Mode with all character combinations.
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| Auto-Tuned (15 points) | Complete Story Mode with The Idol and The Weapon.
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| Don't Give Up (15 points) | Get damaged 100 times in any mode.
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| Drop and Give Me 10 (30 points) | Last 10 stages in Arcade Mode.
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| Fairy Tale (15 points) | Complete Story Mode with The Hero and The Princess.
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| Faster Than Light (30 points) | Starboost 10,000 times.
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| For Science! (90 points) | Defeat the Scientist without either player taking damage.
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| Galactic Hero! (75 points) | Slay 10,000 enemies.
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| Heavy Metal (15 points) | Complete Story Mode with The Weapon and The Outlaw.
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| Hocus Focus (90 points) | Defeat the Witch without either player taking damage.
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| Hometown Hero! (15 points) | Slay 1,000 enemies.
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| In the Spotlight (15 points) | Complete Story Mode with The Princess and The Idol.
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| In-Sync (30 points) | Maintain maximum star speed for 30 consecutive seconds.
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| Iron and Gold (15 points) | Complete Story Mode with The Princess and The Outlaw.
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| Master of the Universe (90 points) | Defeat The Sorceress without either player taking damage.
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| Mix and Match (15 points) | Play as every combination of characters in any game mode.
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| Opposites, Attack! (15 points) | Complete Story Mode with The Hero and The Outlaw.
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| Perfect! (15 points) | Get an S-Rank in Arcade Mode.
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| Planetary Hero! (30 points) | Slay 5,000 enemies.
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| Punk Rock (15 points) | Complete Story Mode with The Idol and The Outlaw.
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| Royal Armory (15 points) | Complete Story Mode with The Princess and The Weapon.
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| Show Me Your Moves! (15 points) | Use every Ulimate in any game mode.
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| Stars Aligned (15 points) | Complete Story Mode with The Hero and The Idol.
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| Supercharged (30 points) | Use 5 Ultimates in one round of Arcade mode.
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| Take Five (15 points) | Last 5 stages in Arcade Mode.
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| The End (15 points) | Complete Story Mode for the first time.
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| Two Birds With One Star (90 points) | Defeat the Twins without either player taking damage.
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| Unstoppable Force (15 points) | Complete Story Mode with The Weapon and The Hero.
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| We Are The Guardians (100 points) | Get S Rank in Story Mode.
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