| Achievement | How to unlock
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|---|
| Bronze Age | Obtain 30 Bronze medals in challenge mode.
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| Clearing the backlog | Play the game!
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| Come at me, bro! | Taunt 25 times in a single match.
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| Developer X is pleased | Accumulate 32,768 total points in Score Attack.
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| Die One Thousand Deaths | Die 1000 times in Challenge Mode.
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| Friendly Rivalry | Beat a Ghost from your friends list.
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| Ghostbuster | Beat your Ghost.
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| Gnarly Balls | Get your first platinum medal.
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| Gold Digger | Obtain 20 Gold in all Challenges.
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| Golden Boy | Get your first gold medal.
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| Ice Breaker | Shatter 1000 blocks of Ice.
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| Master of their Domain | Hold a Zone for 45 consecutive seconds.
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| Mine, All Mine! | Win a Versus Heart Throb match being the sole holder of the Heart.
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| NEEEEEEEEEEEERRRRRRRRD!!!!!!! | Play 10,000 rounds of Versus.
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| NERD | Play 1,000 rounds of Versus.
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| Petty Cash | Get your first bronze medal.
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| Platinum Games | Obtain 15 Platinum in all Challenges.
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| Silver Dollar | Get your first silver medal.
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| Silver Surfer | Obtain 25 Silver medals.
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| Stabby stab | Stab 1,000 hearts in Classic mode.
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| Stabby stabby stab | Stab 10,000 hearts in Classic mode.
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| This Place Shall Become Your Grave | Die 100 times in Challenge Mode.
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| Too Easy | Obtain 32 Platinum medals.
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| Why2K? | Accumulate 2,000 total points in Score Attack.
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