Portal 1

One Way Loop
Uploaded by Fusion · Feb 02, 2008
34 comments · (No ratings)

Consists of four challenging areas. I started to make this map before Valve released the update that allows you to map for Portal officially. I've finally finished it all these months later. This map has four linked areas and is designed to be quite challenging. Enjoy! Update Added node graph and readme file. Cubemaps now work.

One Way Loop
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Snakepit
Uploaded by Duffers · Jan 19, 2008
78 comments · (No ratings)

A difficult map based around flinging To play this map, extract the .rar file to the portal/portal/maps folder and open via the bonus maps menu.

Snakepit
Chambers Three
Uploaded by Interitus · Mar 04, 2008
33 comments · 5.0 (1)

Three maps of varying difficulty Three maps of varying difficulty (mostly pretty easy). Planned and mostly finished last december, finally got around to finishing them. Custom GlaDOS voice work provided by Hamsteralliance

Chambers Three
MotanumsTest
Uploaded by Motanum · Dec 07, 2010
20 comments · 5.0 (9)

My entry to the October Contest! Theme-Aperture Science Three areas, 3 maps! Can you beat them? Will you get cake at the end? I am very pleased with the results! So enjoy! Note, I didn't get the BMZ to work properly, but if you simply unrar and merge the map folders correctly, on your bonus map you should see a map/motanum folder, there are my 3 map entries! ^^ I welcome everyone to play them and to tell me what you think! I can be reached at http://steamcommunity.com/id/Motanum Feel free to add me

MotanumsTest
Shmitzchamber 01
Uploaded by Shmitz · Dec 16, 2007
155 comments · 5.0 (1)

5 very challenging puzzle areas. To install, extract the archive from your /portal/portal directory. To play, load the map through the Bonus Maps menu be selecting the "Shmitz Maps" group. Prepare to put on your thinking cap and warm up those wrist movements. This map is meant to introduce types of puzzles and solutions that are not in the main Portal game, and may in fact require you to rethink certain learned expecations. There are five areas, each with their own mode of operation. Once you've beaten it, try out the Challenges!

Shmitzchamber 01
Gear Portal Map
Uploaded by MrTwoVideoCards · Nov 23, 2007
36 comments · 5.0 (2)

A Map From the Development Team Gear Hey everyone, we've been working for a month now on this little chamber filled with craziness. Hopefully you will enjoy and above all, have fun playing it!

Gear Portal Map
PMK 5
Uploaded by mazk1985 · May 08, 2009
117 comments · 5.0 (3)

A large map split into two sections A large map split into two sections One section is normal and the other is companion cube based Advanced and challenge versions are included as well as two small extra maps The difficulty ranges from easy to hard

PMK 5
Arch Map 02
Uploaded by arch129 · Mar 03, 2011
4 comments · 5.0 (2)

This is my second Portal Map, it should be rather easy This map also includes a advanced version and challenges for the original.

Arch Map 02
Test Chamber 5
Uploaded by hitmanjaret · May 01, 2011
15 comments · 5.0 (1)

This is my first "real" Portal map, took about a week. Its medium to easy difficulty I would say. Please let me know what you think. Thanks for playing!

Test Chamber 5
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pesp - full
Uploaded by sbrown · Jan 21, 2009
61 comments · (No ratings)

Information This map is a puzzle/showcase map. It has a few puzzles, while showing different parts of aperture science. It is set in an alternative time line, where the player took the party escort submission position. This file includes pesp, pesp episode 1, and pesp episode 2. This is the final version of pesp, no more maps will be made for this series. The first two levels have had numerous updates, and were fixed to work in the bonus maps menu. Screenshots .. You will need 7zip to extract the files

pesp - full