Achievement | How to unlock
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- Dr. Eggman Got Served (30)
| - Destroy Dr. Eggman's final machine.
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| - Defeat Metal Sonic without getting hurt.
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| - Complete the Time Attack mode in under 25 minutes.
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- Just one hug is enough (5)
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| - Complete a zone in the Good Future.
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- Saviour of the Planet (40)
| - Destroy all the robot teleporters and Metal Sonic holograms in the past.
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| - Find the angel statue in Wacky Workbench.
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| - Pass the upper Signpost in Collision Chaos Zone 2.
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| - Collect all the Time Stones.
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