| Trophy | How to unlock
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|---|
| Blood and Screaming (Bronze) | Unlock Orochi Iori and Orochi Leona for use as Strikers.
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| Double Date Night (Bronze) | "Well, I was thinking we could all get together and enter a bare-knuckle fighting tournament. Or there's always bowling."
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| Independence Day (Bronze) | Unlock the original Team USA for use as Strikers.
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| Irreplaceable (Bronze) | Defeat Zero with Kula.
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| Less Than Zero (Gold) | Unlock Krizalid for use as a Striker.
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| Match Interference (Bronze) | Knock out an opponent with a Striker.
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| Metal Slug 2000 (Bronze) | Clear Arcade Mode with Ralf, Clark, Leona, and Fio.
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| Multiples of Zero (Silver) | Clear Arcade mode.
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| Reinforcements Have Arrived (Bronze) | Unlock Heidern for use as a Striker.
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| Reunion Tour (Bronze) | Clear Arcade Mode with Kyo, Shingo, Benimaru, and Daimon.
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| Sibling Rivalry (Bronze) | Knock out Kula with Another K`.
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| The Men Behind the Men (Bronze) | Unlock Wolfgang Krauser and Mr. Big for use as Strikers.
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| Your Own Personal Apocalypse (Silver) | Unlock Orochi for use as a Striker.
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