Here is the full list of all 35 Ninja Stealth 4 achievements.
Detected by the Security Guard
Detected by the Motion Detector
Level 09
Level 07
Level 08
Level 05
Level 06
Level 03
Level 04
Level 30
Level 29
Level 26
Level 27
Level 28
Level 25
Level 23
Level 24
Level 21
Level 22
Level 20
Level 02
Level 18
Level 19
Level 15
Level 16
Level 17
Level 14
Level 13
Level 10
Level 11
Level 12
Detected by the Laser
Level 01
Used the box as camouflage
Detected by the Camera