Mini Ghost achievements

3.70%
Pacifist
Reach boss zone 1 without killing any monster or being damaged by them. Game can't be saved.
3.70%
Extra out
Beat the game without using secondary weapons
3.70%
1cc+
Beat the game without dying or being assisted by doctors. Game can't be saved.
7.41%
Boss extra 3
Destroy boss zone 3 with a mine
7.41%
Troll
Change a friend's character while he/she is playing
7.41%
Perfect 3
Kill boss zone 3 receiving no damage from it
11.11%
Item rush
Pick up any item in less than 16 seconds
11.11%
Perfect 2
Kill boss zone 2 receiving no damage from it
14.81%
Boss extra 1
Destroy boss zone 1 with a rocket
14.81%
Perfect 1
Kill boss zone 1 receiving no damage from it
25.93%
1cc
Beat the game without dying.
37.04%
Boss extra 2
Destroy boss zone 2 with a laser