Portal 2

Portal 2

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Multi-floor Laser Trial v3
File Size
12.844 MB
Jun 7, 2012 @ 5:30pm

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Multi-floor Laser Trial v3

Just as you arrive at the chamber, you hear the familiar hissing noise of the Laser Beam streaming just in front of you. You spot five reflection cubes in the room. 'There's more in here than meets the eye...'

This is the 3rd version of my 3rd PTI built puzzle, optimized from all the feedback I had.

This is a puzzle with evolving complexity, it starts rather "simple" and evolves into a harder stance, always with a few twists that will push a bit the boundaries of your thinking.

WARNING: there are no cube dispensers on the map, should you disintegrate any cube, you will need to restart the puzzle!

1. There are several 'floors' on the puzzle, the cubes needed for each one of them spawn at their respective level.
2. If correctly placed, you should only need to use one set of portals to complete the entire puzzle
3. Since the track lift on the puzzle is time-based, RUN to it as soon as you activate it. IF YOU MISS THE LIFT: wait for the button to deactivate, reactivate it again and wait for the lift to come back down. DON'T PRESS THE BUTTON WHILE IT IS STILL ACTIVE, as it'll misalign the lift with the destination floor.


v1.0 (21/05/12) _ initial release
v2.0 (24/05/12) _ Major remake of the final part (for increased epicness). Other small tweaks: general redundancy removal, remodulation of antlines' paths, added fizzler to avoid cubical detours, cube repositioning, moved the Companion Cube closer to the viewing glass, increased floor separation.
v2.1 (02/06/12) _ moved some connections around, made the last connection of the first lift more visible, although it is still not as evident as the other ones. [Feedback from @Geneosis]
v3.0 (08/06/12) _ changed the first lift for a funnel, made changes accordingly to the new layout, added a faster way to backtrack the map (if needed). [Feedback from @Rengor]
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tiagoling  [author] Jul 1, 2012 @ 12:20pm 
Ground floor solution:

Jump the laser around using the cubes on the buttons, on the last button you need to fire the laser upwards through the ceiling hole. It can be a bit tricky aiming it upwards, that it why there is a button there, to make things easier. You DON'T use the laser catcher/relay at this point of the map and, at this point, you'll only use 3 cubes out of the total 5 on this level.
Ninjababe Jun 28, 2012 @ 7:34pm 
Okay, I have to give up. Is the hole you mention above the button behind the laser grid? If so, I knew about that one, and I see no way forward. If it isn't, I peered at the others (I even noclipped to see) and, nada... Sorry, but I can't seem to figure it out.
Ninjababe Jun 28, 2012 @ 6:42pm 
d'oh!!! And, I looked... darn it. Okay... I'm going back in :)
tiagoling  [author] Jun 27, 2012 @ 11:08pm 
Hint for the first floor: There is a hole in the ceiling over a button

It is not as immediate if one's not paying attention
Ninjababe Jun 26, 2012 @ 7:38pm 
I need a hint. I'm sure I'm missing something, and I'm on my 3rd try... Without getting out of the first level... I got the laser grid to go away, and put cubes into the three cube boxes but that's as far as I can get. Am I just being an idiot and missing the obvious?
tiagoling  [author] Jun 7, 2012 @ 7:00pm 
v3.0 change log:

Major changes:
– changed the first lift for a funnel
– added a faster backtracking route, should anyone misuse their portals.

Minor tweaks:
– made the necessary changes to accommodate the new funnel
– some connections have been removed or moved around, it order for all the antlines to be drawn on the map

Previous version (v2.1) link: