| Achievement | How to unlock
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|---|
| - Activate the secret glitched objects.
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| - Finish all the Modern Era levels.
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| - Finish all the Eighties Era levels.
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| - Finish all the Office Era levels.
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| - Unlock the Office Era levels.
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| - Beat your first level in the game.
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| - Beat all of The Boss' levels.
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| - Beat all Larry Zucchini's levels.
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| - Finish all the Classic Era levels.
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| - Finish the time trial mode in less than 90 minutes.
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| - Beat all Reverend Morris' levels.
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| - Beat all Nicole K.'s levels.
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