Portal 2

Portal 2

76 ratings
You are a test subject in the Aperture Science lab who winds up in another "puzzling" situation. You are also in a race against an ever wicked "test dungeon master" trying to make life hard and success a relative term.

What's up with GLaDOS anyway ? Has she gone mad ? She had the cooperative testing initiative yet choses to let you break your heart and head over an inanimate companion testing element time and again.

This is what you'll be getting:

  • Solve 8 new maps full of puzzle elements and mind fornications
  • Fully voiced GLaDOS and "Core" by MissyChrissy (anglsummer4 on youtube)
  • Companion elements (cube & sphere)
  • New and unexpected gameplay elements (which are illustrated by map design and custom icons)
  • Distinguished new test chamber visual style.

MAP 8 will be added in the coming weeks and is in heavy preparation rightnow!
- Map 8: Round Diversity (Formerly known as Round Tangent) Finale map


Due to restrictions in the engine, I can't show my custom video's (courtecy of TigerboyPT). It's a terrible situation because I SO wish that you could just pack the media/cosmicd folder up in the bsp's and show the wonderful stuff he did.

I'll not hesitate to ask valve personally to fix this :)
Items (8)
Created by CosmicD
The weirdest portal custom campaign intro you have ever seen yet :) Reloaded and also on the workshop!...
THE CORE: RELOADED 2 - A New Companion
Created by CosmicD
This map is a refurbrished version of the second map of my mod released campaign of last year named THE CORE. The level design has been pimped by Darth Brush and I optimized it for the workshop.

The rest is coming in 2013...
Created by CosmicD
This is where you meet Her, (and no I don't mean GLaDOS)...
THE CORE: RELOADED 4 - Deadly Intermezzo
Created by CosmicD
What else can you do with an intelligence enhancement matrix ? Find out here!...
THE CORE: RELOADED 5 - Euthanization Vault
Created by CosmicD
GLaDOS has set up a test chamber just to check who would euthanize first, you or the intelligence enhancement matrix ?...
THE CORE: RELOADED 6 - Excursion Incursion
Created by CosmicD
GLaDOS has ran into an attention loop which constantly focuses on a deer and that's why you're in trouble :P...
THE CORE: RELOADED 7 - Riconstruire La Scienza
Created by CosmicD
GLaDOS likes experimenting with test subjects who test with the Aperture Portalble Intelligence Enhancement Matrix, even in a musical way. (New never before released BONUS map)...
THE CORE: RELOADED 8 - Terminal Tangent
Created by CosmicD
This map concludes the "THE CORE" series of test chambers. Try to challenge GLaDOS AND the Apperture Intelligence Enhancement Matrix in this final showdown. Complete with pneumatic vents and requires adrenaline. But will it ever end ?...
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Multako Nov 16, 2017 @ 5:14pm 
lol why am i still playing p2
Mike Feb 10, 2015 @ 2:34pm 
there should be a "subscribe to all" button
CosmicD  [author] Apr 16, 2014 @ 3:25pm 
Believe it or not but this week I started finishing the map. I basicly ripped it apart and made it a bit smaller, that meant I needed to build casing for some of the the pneumatic vent, upgraded somewhat to the new style, added some optimizations to the level,

It's the last stretch, because the ending is custom I need to make sure I can hook it up to the workshop properly, but it should be finally here this week!
Astromanaught Feb 12, 2014 @ 5:35pm 
so is there ever going to be a chapt 8?
Mega Munchy Feb 9, 2014 @ 11:22am 
Awesome collection! :p2aperture:
little_tornado Oct 13, 2013 @ 5:43am 
that makes sense
CosmicD  [author] Oct 13, 2013 @ 5:23am 
hehe, it's in flux. It needed a huge optimization pass, the playing room was way too big and I've completely destroyed the needlessly large decorations from the sourcemod version, trying to build a smalleer casing around it all. but i AM working on it!
little_tornado Oct 13, 2013 @ 5:09am 
i really want to play map eight
CosmicD  [author] Aug 29, 2013 @ 7:54am 
it's still in flux :). You could play the old one if you really would like but the problem is that I need to optimize the space and would like to totally redesign it (architectuarlly :)
Gemarakup Aug 29, 2013 @ 6:36am 
What happened to the race map?