Released

Portal: Facility
Uploaded by Mapster · Oct 16, 2007
35 comments · 5.0 (1)

A custom map for portal made by Mapster A custom map made by Mapster which was especially made for Portal. A newer version is in the making.

Portal: Facility
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LoveGLaDOS
Uploaded by Grax · Jan 20, 2008
28 comments · 5.0 (1)

How I Learned to Stop Worrying and Love GLaDOS LoveGLaDOS follows the Portal campaign levels' visual style and gameplay relatively closely. It is about as difficult as the game's Advanced Maps.

LoveGLaDOS
No Story
Uploaded by theprogram00 · Dec 09, 2007
0 comments · 5.0 (1)

Map For November Contest 07 A Map for the november Companion Cube contest 2007. The map is called No Story, made by Theprogram00. Extract to "portal/portal/maps" Folder EDIT: fixed screenshot

No Story
-deep within aperture-
Uploaded by meloen · Oct 28, 2007
7 comments · 5.0 (1)

3 test chambers in 1 map this is deep within the aperture complex. the test's here aren't hard, you just need to think good before you do somthing. -made for the mappingcontest october 2007- maybe there will come more versions of these harder puzzels

-deep within aperture-
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
Rainbow Palace
Uploaded by Duffers · Feb 10, 2008
37 comments · 5.0 (1)

A central hub map introducing some new puzzles. VIEW THE README IF YOU'RE HAVING TROUBLE OPENING THE MAP.

Rainbow Palace
Lost Chamber Zero
Uploaded by ebola · Oct 19, 2007
45 comments · 5.0 (1)

Released version My first map. I tried to resemble the logic in Portal levels, don't hate me D:

Lost Chamber Zero
[SP] Old Faithful
Uploaded by Lobster · May 14, 2011
75 comments · 4.9 (92)

This is the second map in a series that began with 'Sphere of Roundness' last week. Version 2.0 of that map is also included in this release, they also transition into each other to make a loop. This time I decided to focus on a single gameplay element for an entire map rather than trying to use every feature available. The map also follows the loose premise of "What if aperture had tested faith plates in the 1950s?" the default faith plate model stands out a little in the underground, so I went for an alternate appearance, see what you think! I have a feeling it is a little easy, but that is mainly down to the overall design, so my next map will aim to be a bit tougher. Sphere of Roundness: I got a huge amount of good feedback for the first map and made a few changes to fix exploits and also clean up the edges a little now that the full SDK has been released. For a full changelog see the readme! Screenshot: http://img339.imageshack.us/img339/6006 ... 400001.jpg

[SP] Old Faithful
[SP] Edifice
Uploaded by Omnicoder · May 30, 2011
56 comments · 4.9 (67)

A medium-hard, fairly long map in the destroyed chamber style. Summer Mapping Initiative Entry. Installation instructions included in download.

[SP] Edifice
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[SP] Oversized Test Chamber Storage Area
Uploaded by CrazyGuy · Jun 08, 2011
49 comments · 4.9 (49)

FINAL VERSION OF OSTCSA! Changes: -added more decorations in the open area -changed the "malfunction" trigger in area 2 so it does more to show that you can't use those two cubes -added some explanatory text -added env_projectedtextures to enhance the mood -fixed cheat solutions -fixed the glass in area 3 so it will break more easily -made the turrets in the end of area 3 "super damage" so you can't just run past them anymore. This map has some "soft" acheivements (it displays game text rather than giving an actual acheivement) [] Ball Control: In area 1, get the sphere without losing one [] Turrets Syndrome : FIZZLE every single turret in OSTCSA. [] Shatterproof: Solve area 3 without breaking the glass [] The lizard lives: Find the hidden mapmaker's room (found somewhere after area 1)

[SP] Oversized Test Chamber Storage Area