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