| Achievement | How to unlock |
| Ace of Adventure (30 points) | In a peg defying feat, score 20 million points in a single play-through of Adventure mode.
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| Be Cool (10 points) | Hit the last orange then the last blue to rack up a Cool Clear. (Except Duel)
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| Catch the Fever (5 points) | Cure your need for fever with an Extreme Fever. (Except Duel)
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| Doctor of the Peggle Arts (30 points) | Clear all pegs and bricks in every level in Quick Play or Adventure mode and explodious fame!
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| Free! Free! Free Ball! (15 points) | Rack up the score or hit the bucket for 3 free balls in one shot.
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| go ULTRA! (15 points) | Clear all the pegs in a level. It's pretty extreme, but you look up to it. (Except Duel)
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| Party Master (10 points) | Winning a Peg Party is way better than playing with a ball of yarn!
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| Peggle Graduate (20 points) | Complete Adventure Mode and earn your degree from the Peggle Institute.
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| Peggle Professor (25 points) | Complete every level in Challenge Mode and even the Peggle Masters will be impressed.
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| People's Ovation (10 points) | Win a 4-player Peg Party by a whoppin' 100,000 points to acquire everlasting coolness.
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| Rock Lobster (15 points) | Win a Xbox LIVE Duel like a crustacean born. "Ave you tried ze flippers?
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| Stylish Project (15 points) | Bust out all your Skillz, Bounces, and Slides for 1 million style shot points!
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