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After unlocking "Blue," you will be back at the main menu. Press [ Register or Signin to view external links. ] to Continue (do not select 'Restart').

To unlock this achievement, you must first reenter the Blueshift, so there's going to be some backtracking before you continue on.

You will start at the terminal, so press [ Register or Signin to view external links. ] to continue. Select 'WOODLAND RIDGE 07 APR 13:42'.

Walk along the path and you will see a woman sitting there. Instead of concentrating on her, turn right to continue down the path until you come to a giant rock with a butterfly sitting on it. Zoom in on the butterfly and you will return to the terminal room in the "Blueshift". Walk back into the simulator and you will loop back to the terminal, but this time there will be a blue butterfly sitting on the screen.

Press [ Register or Signin to view external links. ] to continue and select 'WOODLAND RIDGE 07 APR 13:42' again.

Again, walk along the path and ignore the woman sitting there. Walk up to the giant rock and again zoom in on the butterfly. You now have a limited amount of time to complete the next sequence, about 15 seconds. You will be teleported back to the living room looking at the blue butterfly picture. As quick as possible, run (holding [ Register or Signin to view external links. ] ) down the hallway and into the bedroom and walk through the door at the opposite end. If you did it quickly enough, you will be back at the terminal in the "Greenshift". Walk back into the simulator and you will loop back to the terminal, but this time there will be a green butterfly sitting on the screen.

Press [ Register or Signin to view external links. ] to continue and select '! File Corru-*(# ???'.

Walk into the simulator. As you walk forward, the achievement will unlock.

Continue walking to the light at the end. Once you walk through the door, you will be back at the main menu.