Български (Bulgarian) čeština (Czech) Dansk (Danish) Nederlands (Dutch) Suomi (Finnish) Français (French) Deutsch (German) Ελληνικά (Greek) Magyar (Hungarian) Italiano (Italian) 日本語 (Japanese) 한국어 (Korean) Norsk (Norwegian) Polski (Polish) Português (Portuguese) Português-Brasil (Portuguese-Brazil) Română (Romanian) Русский (Russian) 简体中文 (Simplified Chinese) Español (Spanish) Svenska (Swedish) 繁體中文 (Traditional Chinese) ไทย (Thai) Türkçe (Turkish) Українська (Ukrainian) Help us translate Steam
Sort by: Most Popular (One Week)
Showing 3121-3150 of 5,091 entries
GLaDOS: return to form part 1Collection by: Cheese is a kind of meat ;)
GLaDOS is on the return and the test chambers are ready.
GlaDos Secret Test ChamberCollection by: Platinkid
Can you test it ?
Portal-2 ExtrasCollection by: Fixyazatiss
This a set of extra test chambers or test chambers that glados could have had stockpiled somwhere. I am making them so that they start out easy and get more difficult as you play through them,just like in the game.
Lego's TestsCollection by: L.E.G.O.S.
These are all the tests I've made and published. I tried to make them as hard as possible. Also if you think you cheated to beat one of the levels, you didn't actually cheat. It was most likely the soulution :P
Chrono Sphere's Testing ChallengeCollection by: Pheenix Squared™
Here lays the beginning of a new testing Stage. With Glados busy with the Major Testing of potential Human test subjects, she decided to create a core to deal with the minor test subjects that are most likey to die in her more complex tests. The Chr...
Portal 3Collection by: Brandan
**SPOILERS** After wheately was sent up into space and Chell was released from Aperture, something weird happened. Glados was taken over by the one and only ratman, and instead of shutting down Aperture, he tracked down Chell and forced her to start a ...
Portal 3Collection by: HTS
This is MY version of portal 3. There is NO space and NO outside levels.
Gel TestingCollection by: acerio
The Gel Testing Series by acerio98 is a collection of five tests featuring the four gels found in the Portal world: Repulsion Gel, Propulsion Gel, Conversion Gel, and Cleansing Gel. Each test uses the gels in different, unique ways to help you get the the...
HaL's Test Chamber ChallengeCollection by: HalusaTwin™♫♪
HaL's Test Chamber challenge is a series of Simple and Complex Chambers designed to push human testing to the limitations. HaL is not a huge fan of human beings or any other species other then him self, oh and Cave Johnson, his creator. These test cham...
TheRightGuy's Users CollectionCollection by: solo.dev
An attempt to collect all of the rooms made by users of TheRightGuy's Minecraft server's players. Some are easy, some hard, but all in all, all are fun!
Denso's Map CollectionCollection by: Deиso
Moss CreationsCollection by: Moss
coolmapsCollection by: maxalbali
Super Puzzle Extreme Challenge - Untranslatable MysteryCollection by: Crichton
Ayoto Corporation is proud to present, Super Puzzle Extreme Challenge - Untranslatable Mystery. Deep in the confines of the Secret Division of Advanced Engineering lab, Ayoto Scientist have been working on what they call the evolution of Japanse televisio...
Aperture Science Advanced Repulsion Gel Test ChamberCollection by: NeoRetro10K
This collection contains a Repulsion Gel test and its Challenge Map counterpart.
4x4 RevolutionCollection by: Jsushi
THIS is the 4x4 Revolution. Each map consists of four chambers. Each chamber is 4x4 in size. You think it's not enough space to put a test in? We'll see.
MagnonCollection by: Magnon | Mainfrezzer
Vapour Waterhandle 1Collection by: Mr Vapour Waterhandle
A map pack with a few of what I consider my best maps. You can click on each for screenshots. The order in which they appear here is my recommended order to play them. Why should you play them over the thousands of other maps? Because they're unique, a...
What is thisCollection by: Senpai...
Coop-EgnimaticusCollection by: Razbool
Enigmatique puzzles a 2 ! 2 x plus de chances de pas mourir ! Quoi que...
rtghrgdhrhCollection by: nΞqq_ɥǝıʌsʞɔǝɹp
Familiarization with the Aperture Science Super Idiot Separation Tests (ASSIST)Collection by: EN3D1X8S7S
Tests with things in it.
The Split-Up Co-OpCollection by: DragonX
One person goes left. One person goes right. Work together while apart in this collection of portal maps.
Devias Lancer Labs Testing RoomsCollection by: Radiant Darkness
Hello, and welcome to the Devias Lancer Testing Facility, built in 2063 for the purpose of testing acrobatic balancing on window panes, also known as "walking the fence". Our facility was closed when we had told Aperture Laboratories about the fence-walki...
Metal Gear Solid - Tactical Turret Espionage ActionCollection by: Vagrant
WIP of my test chambers that were ported from Metal Gear Solid into Portal 2. In overall, the test chambers are supposed to ressemble the MGS' map layout with some Portal puzzle solving flavor. I'm not sure how I'll make this all possible, but I'll work 1...
Y A + KCollection by: Razbool
Salut ! Je vous propose une cinquantaine d'épreuves et d'enigmes , allant du niveau 4 au 9 . Mais dans le desordre ... Alors si vous avez aimé c'est s'épreuves et / ou que vous avez la patience de les classer ... Une petite note ou une remarque et tou...
Epic's BathroomsCollection by: Elvee
We all know even the greatest of men have to use the bathroom one time or another, but who says their epicness stops there? Come tour the greats bathrooms~ (Warning: Some may die in attempt to see bathrooms.)
Prettiest Maps I've FoundCollection by: KennKong
Sometimes you just want to stop and smell the flowers.
xipo n foxxyCollection by: XipoTec
PyramidExplorer1-4Collection by: frazzled
Explore this mysterious pyramid... for Science! Cave Johnson is sending you on a mission to unlock the secrets of a strange object discovered by the inhabitants of an alternate Earth. In a series of 4 maps, gain entrance to the pyramid, rescue the trea...