Here is the full list of all 21 Zero Reflex : Black Eye Edition achievements.
Complete the game in nightmare mode.
Complete 5 consecutive non-easy levels with only 1 life remaining)
You have died 100 times!
You have dared to touch the Eye!
You have successfully died!
You have been killed in the first 3 seconds of the level.
Complete the game in hard mode.
Collect 100 shields.
Complete the game in normal mode.
Complete 20 consecutive levels without any mistakes.
Collect 100 pickups.
You survived a level without any pickups!
Complete 5 levels with sounds and music muted.
Complete 10 consecutive levels without any mistakes.
You have been playing Zero Reflex for 300 seconds!
You have completed a level moving only counter-clockwise!
Complete 5 consecutive levels without any mistakes.
You have completed a level moving only clockwise!
Complete 3 consecutive levels without any mistakes.
Pass a level without taking damage.
You have been killed just 1 second before finishing the level.