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Sonic the Hedgehog 2
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Secret Achievements (Show)
Sonic the Hedgehog 2 achievements
Collect all 7 Chaos Emeralds
Get a Fantastic Result in Casino Zone slots
Enjoy The View
Reach Hill Top Zone
Gamble! Gamble! Gamble!
Reach Casino Night Zone
Hold Your Breath
Reach Aquatic Ruin Zone
Reach Mystic Cave Zone
Reach Oil Ocean Zone
Reach Metropolis Zone
Wing Fortress Zone
Reach Wing Fortress Zone
Death Egg Zone
Reach Death Egg Zone
Defeat Dr Robotnik
Defeat Dr Robotnik in Death Egg Zone!
Sky Chase Zone
Reach Sky Chase Zone
Get a Perfect Bonus in Act One of Emerald Hill Zone
Get a Perfect Bonus in Act One of Aquatic Ruin Zone
Collect all 64 Rings on Sky Chase Zone
Don't Look Back
Complete Emerald Hill Zone without pressing Left - triggers at chemical plant
Collect all 7 Chaos Emeralds while in Emerald Hill Zone
Dry As A Stone
Complete Aquatic Ruin Zone Act 1 without collecting any rings
Hill Top Speedrun
Complete Hill Top Zone Act 2 in under 2 minutes
Oil Ocean Speedrun
Complete Oil Ocean Zone Act 1 in under 2 minutes
Death Egg Speedrun
Complete Death Egg Zone Act 2 in under 2 minutes
Complete the game as 'Just Tails'
Complete Emerald Hill Zone Act 1 without jumping or using spin-dash
Get Your First Chaos Emerald
You're Too Slow
Complete an act in under 25 seconds. (Must reset from Menu if spawned from Checkpoint)
The Floor is Lava
Defeat a Boss without touching the floor.
Pacifist Hill Zone
Complete Emerald Hill Zone without defeating any enemies (not including Boss) (Reset from Menu)
Invincibility Plant Zone
Attack the Boss in Chemical Plant Zone with Invincibility (not Super Sonic).
Aquaphobia Ruin Zone
Complete Aquatic Ruin Zone without entering the water. (Reset from Menu)
Ringless Night Zone
Complete Casino Night Zone Act 1 without collecting a single ring.
Lively Top Zone
Gain 4 1-ups whilst in Hill Top Zone Act 2 (via Rings and 1-up Boxes, NOT score)
Genocide Cave Zone
Defeat all the enemies in Mystic Cave Zone Act 1 and 2. No respawning from checkpoint.
King Fortress Zone
Complete Wing Fortress Zone without taking damage. (no Super Sonic) (Reset from Menu)
Complete the whole game without Dying. (Level Select Disabled)
What's a Spin Dash?
Complete the whole game without Spin Dashing. (Level Select Disabled)
Reach Chemical Plant Zone