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