Interesting Mechanics

Collection by Bondeone

Levels I built with interesting/uncommonly used mechanics

Trials of NBROsUNITED (CO-OP)

Collection by Gangsta Kitty

NBROsUNITED has some new levels for you... and a friend..

joby 2

Collection by Dr. Goiburger PHD

electric boogaloo

DDASSAD

Collection by CaXaP

Good Multi-Part Puzzles

Collection by RandomContentStuff

Tough but puzzles that are played out in several stages.

Popular Collections I've Completed

Collection by Insert

no

Simply Complex

Collection by ;masalt

a collection of simply complex puzzles. ascending difficulty.

portsojtsiop mods

Collection by Gunmann

help me

port2

Collection by LavenderLucid

pisapopakakashka

Collection by Балтика 9

для игры с друзьями

Alternate Past Collection

Collection by FacetedSkink

Photo isnt mine, but anyway. Its the first collection of puzzles.

Пройденные кооп карты портал 2

Collection by Lex Emergy

Coop Anacanito

Collection by Fito

Proto-chambers

Collection by pezu515

A collection of chambers which never quite made it to the official testing tracks and ended up being left to rot.

Just more testing.

Collection by rodrigo

More tests i guess i don't know you tell me. Will get updated.

Glass Test | #ALL | ALL | CO-OP

Collection by yurafakel

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忘川风月·缘起

Collection by Calimero

自制中文图合集，综合难度为困难 地图排序按照个人认定的难度从易到难 My collection of Chinese-titled maps,the comprehensive difficulty is hard. The sequence is from easy to hard in my opinion.

Test subject

Collection by Groß

Backlog 21

Collection by Andy T

Another dump offloading my queue, you are welcome to going through them yourself since it has to be "published".

Backlog 20

Collection by Andy T

Just entries I need to offload from my queue, you are welcome to go through it if it ends up as public grouping.

Yet Another Portal 1 Recreation

Collection by ThatOneRetro

This is another Portal 1 recreation that you see everywhere. It's fun to recreate them but I'm also using this as a way to test my own stuff as I go.

portal 2 chambers that i enjoyed

Collection by springle

ekeke

Collection by Solis

Portal: Escape From Facilty

Collection by Aqulex

My portal tests from my game "Escape From Facility"

Neumann Trials

Collection by Adler

set of test chambers

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Collection by Sangovy

Portal 2 V1

portal

Collection by Slayorofzombies

Antiportal 2

Collection by Habbit

Antiportal 2 A fun collection of maps for Portal 2 that have little to none relation with the Portal series. These simply use the engine and textures(along with whatever else they have imported) to create their own unique experiences. Be warned, some maps

Beginning SolarChambers

Collection by Scientist_Doge

The very beginning of the SolarChamber series. Meant for players used to the games mechanics.

Room For Cake? Official Slime Guy Collection

Collection by DerpyNic

I'm Making a level collection about getting the cake at the end of portal 1 "See? I Wasn't lying to you!" -G