Posted: 20 April 2011 at 4:13pm | IP Logged

A list of the locations for the Portal 2 achievements.

Single Player

Final Transmission
Find the hidden signal in one of the Rat Man's dens
Chapter 2 - Test Chamber 6
This is the room where the "garbage" is fired at you before the ball. There is a radio fired in the garbage. Take it to the room to the top right of the two slanted walls by setting the entrance portal to the right hand slanted wall, and the exit to the top wall above and to the left of the two slants (poorly described but watch youtube for a vid if youre not sure).

Pturretdactyl
Use an Aerial Faith Plate to launch a turret
Chapter 2 - Test Chamber 6
This is also the room where the "garbage" is fired at you before the cube. The turret is left immediately below the two slanted walls after you complete Final Transmission.

Drop Box
Place a cube on a button without touching the cube
Chapter 2 - Test Chamber 6
This third achievemnt is ALSO in the same room as the two above. Once you are ready to complete the level, release the cube, setting the entrance portal to the slanted wall on the right (of the two) and the exit to the roof immediately above the button.

Preservation of Mass
Break the rules in Test Chamber 07
Chapter 2 - Test Chamber 7
At the end of the map, GLADOS says to you not to take items out of the test area, leave a portal at the top of the map, go back down and get your cube, portal to the top and exit.

Overclocker
Complete Test Chamber 10 in 70 seconds
Chapter 3 - Test Chamber 2

No Hard Feelings
Save a turret from redemption
Chapter 5 - Pick up a live turret on the turret redemption line.

Schrodinger's Catch
Catch a blue-painted box before it touches the ground
Chapter 6 - When you bounce the blue cube out the glass case, catch it before it hits the ground.

Ship Overboard
Discover the missing experiment
Chapter 6, hidden door behind a computer in one of the control rooms takes you to a ship (possible hint to Episode 3).

Door Prize
Examine all the vitrified test chamber doors
Chapter 6 - Same area as Ship Overboard. There are 6 doors to examine.

Portrait of a Lady
Find a hidden portrait
Chapter 7

Smash TV
Break 11 test chamber monitors
Chapter 8 - Throughout

Pit Boss
Show that pit who's boss
Chapter 9 Start (Test Chamber 17)
After the spikey walls nearly mash you, hang about, he will ask you to jump in the pit, do it.