Full list of all 5000 Ninja Stealth achievements. It takes around 4-5 hours to unlock all of the achievements in the base game on Windows.
The base game contains 4129 achievements, and there are 6 DLC packs containing 871 achievements.
Completed all the extra levels
Detected by the Camera
Detected by the Noise Detector
Detected by the Laser
I have found a camouflage among 60 other boxes.
One more...
Collected all the cards
Collected all the keys
Collected all the PCs
Used the box as camouflage
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Level 11
Level 12
Level 13
Level 14
Level 15
Level 16
Level 17
Level 18
Level 19
Level 20
Level 21
Level 22
Level 23
Level 24
Level 25
Blue Key
Those boxes are your friend, use it!
So much trouble for only one key
And now you have to go back to get the key!
Collected all the cards on the A.I. Revolution
Collected all the keys on the A.I. Revolution
Collected the last computer on the A.I. Revolution
Detected by the Security Guard
Detected by the Ghost
Camouflage, always useful!
Finished the A.I. Revolution
Under the box
Avoiding the ghosts
The last Halloween level
Completed all the tutorial levels
Deceiving the guards
A long way for one key
Follow the lasers and get the key
Run from lasers
Push the boxes, get the card
My first computer
Two Cards
Two Lasers
The Passage
The Last Card
The Last Key
The Last Computer
The Final Level
Almost There
+1 PC
+1 Card
+1 Key