Realm of Chaos

IMPORTANT- You must start from chapter 1 and go through the entire game and get them in ONE RUN. The counter resets to 0 when you beat the game. Chambers that are not listed below, don't have cameras that can be taken down. YOU SHOULD PRINT THIS OUT and look over it ever chamber, I had to play the whole game 3 times to get this achievement, Avoid the busy work.

NONE in Chamber 1

Chamber 2
01) By the door.
02) By the first blue portal.
03) Above large window in the main chamber.

Chamber 3
04) By the puzzle sign.
05) By the orange portal.
06) By the exit.

Chamber 4
07) By the button.
08) By the exit.

Chamber 5
09) Above puzzle sign.
10) By the door.
11) By the exit.

NONE in Chambers 6-9

Chamber 10
12) entry stairs

Chamber 11
13) Above top entry passage.

Chamber 13
14) In the top entry passage.
15) Outside the 1st door.
16) In the exit passage.

NONE in Chamber 14

Chamber 15
17) On the entry passage.
18) On the back wall.
19) On the 2nd room side wall.
20) In the 3rd room top stairs.
21) On the lift room entrance.

Chamber 16
22) In the 1st room.
23) In the 2nd room.
24) On the wall behind 3rd turret.
25) Opposite of the button
26) Go through the button door and you'll see it.

Chamber 17
27) End of the 2nd ball corridor.
28) Above left door at cross roads.

Chamber 18
29) At turret chamber entrance.
30) In the flinging room.

Chamber 19
31) 1st room wall.
32) By the door button.
33) Moving platform section.

At this point in the game you should have the achievement unlocked and you should be right in front of the big oven (fire) which is intented to kill you.