Shake a Hand
Complete 10 puzzles.
Complete 20 puzzles.
All puzzles completed.
Complete Level 10 without cutting an arm.
Complete Level 18 without cutting an arm.
Complete a Speedrun. (start from options menu)
Complete Level 11 by cutting an arm and shaking a Hand simultaneously.
Complete a Speedrun in under 600 seconds. (start from options menu)
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