Portal 2

Portal 2

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Optional Companion Cube
 
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Description
These are all my levels which feature the optional companion cube as a bonus challenge. Find all the optional companion cubes and bring them to the exit!
Items (18)
Recursive Laser
Created by LB
You may want to turn down your volume.

BONUS CHALLENGE: Bring the optional companion cube to the exit <3...
It doesn't say what the prize was for
Created by LB
A variation on a test chamber from the singleplayer campaign, the one designed by a nobel prize winner. This one is harder, but in the same spirit.

BONUS CHALLENGE: Bring the optional companion cube to the exit <3...
Light Gel
Created by LB
Gel looks super bright when it's on light bridges.

If you die and respawn and there is no gel on the light bridge, or if you accidentally get the blue gel on the light bridge, press the button by the entrance.

BONUS CHALLENGE: Bring the optional companio...
Grilled Cubes
Created by LB
A simple puzzle involving cubes and emancipation grills.

BONUS CHALLENGE: Bring the optional companion cube to the exit <3...
Portal Bumping Tutorial
Created by LB
Learn the arcane and controversial art of portal bumping!
1. Shoot a portal next to the glass
2. Shoot your other portal on the side of your existing portal which is closest to the glass
If done correctly, you will now have portals on both sides of the gla...
Selective Reasoning
Created by LB
Deadly Lasers get a bad rep just because they're deadly. It turns out, if you don't touch them, they're actually pretty cool! In this map you get to select the order in which to reason about lasers.

The theme of this map is bootstrapping.

BONUS CHAL...
Roundabounce
Created by LB
This one is pretty simple - just bounce around to the exit.

BONUS CHALLENGE: Bring the optional companion cube to the exit <3...
Division Lock
Created by LB
Sure, it's easy enough to get the door open, and it's even easier to get to the door, but doing both at the same time requires some thinking.

BONUS CHALLENGE: Bring the optional companion cube to the exit <3...
Layer Cake
Created by LB
A fun confection for the whole family! Cake not included. Icing sold separately. A two-year support contract is required before any candles may be lit. Other terms and conditions may apply.

After feedback from many test subjects, I abandoned the layer cak...
Bootstrapper
Created by LB
If you don't already know what bootstrapping is, you will by the end of this map.

BONUS CHALLENGE: Bring the optional companion cube to the exit <3
Everything with signage instead of antlines is related to this challenge.

Having trouble with the las...
Fling and Fizzle
Created by LB
Note that the light bridge does not stop you from flinging. Not recommended on a controller.

Check out BatCat's remake! https://steamcommunity.com/sharedfiles/filedetails/?id=766067046 (based on an older version that Prototype broke)

BONUS CHALLENGE: Bri...
Raise the Bar
Created by LB
This is a hard map I made while I was sick. So maybe it's easy and being sick just makes it seem hard? You tell me.

BONUS CHALLENGE: Bring the optional companion cube to the exit <3...
Bootstrap Mini
Created by LB
A simplified version of the final puzzle from Bootstrapper. Also a device you absolutely need to have in your home in the 22nd century.

BONUS CHALLENGE: Bring the optional companion cube to the exit <3

Bootstrapper is another puzzle I made:
http://steamc...
The Double Bootstrap
Created by LB
More bootstrapping! Now updated to have less of everything! Except bootstrapping, of course - it still has twice as much bootstrapping!

BONUS CHALLENGE: Bring the optional companion cube to the exit <3...
Ghost Helper 2
Created by LB
Based on the original by Solid Jim & DeathWish808:
https://steamcommunity.com/sharedfiles/filedetails/?id=505058903 (deleted)

I was watching back RectorRocks' playthrough of my map Raise the Bar, and I noticed something I hadn't before. In honor of tha...
The Bootstrap Paradox
Created by LB
Alright, this next test may involve trace amounts of time travel. So, word of advice: If you meet yourself on the testing track, don't make eye contact. Lab boys tell me that'll wipe out time. Entirely. Forward and backward! So do both of yourselves a favo...
Moongazing
Created by LB
Inspired by "Stargazing", but for people with poor eyesight.

BONUS CHALLENGE: Bring the optional companion cube to the exit <3...
A Light from the Heavens
Created by LB
In this puzzle, you need to have faith in your abilities.

Inspired by Libbybapa's map "Free Beer!", though the puzzles (and difficulty levels) are quite different.

I can't be...