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