Portal achievements
287
(150)

Portal

4.5 from 333 votes

There are a maximum of 15 Portal achievements worth 287

7,874 tracked gamers have this game, 685 have completed it (8.70%)

Achievement Details

Terminal Velocity in Portal

Terminal Velocity16

Fall 30,000 feet.

  • Unlocked by 2,961 tracked gamers (37% - TSA Ratio = 1.64) 8,035  

Achievement Guide for Terminal Velocity

AuthorSolution
Firebird22x
3,395
Firebird22x
Achievement won on 14 May 10
TSA Score for this game: 166
Posted on 19 October 15 at 17:46
This solution has 6 positive votes and 0 negative votes. Please log in to vote.
Once you unlock the second portal gun, find a place with portal-able surfaces above and below you.

Look straight up and place one color above you. Don't take any steps! Look directly below you and place the other color portal. After 6 or so minutes you should have unlocked the achievement.

Alos, make sure Chell isn't clipping the floor as she's falling through. One easy way is to place one of the portals at a 45-90 degree angle so as you fall, the portals will readjust your positioning through each one keeping you centered instead of slightly drifting to one side.
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