| Achievement | How to unlock
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| Completionist | Collect all 500 power orbs.
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| Die!!! | Destroy all enemies in the game,... including the recharging ones.
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| Gravity of the situation | Find the rotation gateway gun.
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| Let's get started | Find the gateway gun.
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| Little and large | Find the resizing gateway gun.
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| Master of time | Find the time suit.
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| No assistance necessary | Complete the game with 500 power orbs.
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| On reflection | Find the mirror.
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| Picture of health | Find all health boosts.
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| Raising the bar | Find all time extending power ups.
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| Shed some light | Find the torch.
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| The fun begins | Find the multi gun.
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| The high jump | Find all jump boosts.
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| The time machine | Find the time travel gateway gun.
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| The truth | Complete the game.
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| You again | Find all extra echo power ups.
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