Mods / Conversion Gel

• 112 Angry Tests: Part 7by CaretCaretI have now released a new level called 9 Lives, try it out! Part 7: Revenge of the Turret About the map pack: This map pack consists of six maps with two puzzles per map and one intro map. Every map has a different theme and puzzle element. I have tried to keep the difficulty level of the single...716.4k downloadsupdated 14 y ago
• GGelocity Stage 3by RadixWell, you might have played Gelocity 1 or 2. So you will know what this is about: This is NOT a puzzle, it's a race track covered with orange speed goo. You have to run, jump and portal your way through the course and - like in Gelocity Stage 2 - you can stop your opponent by using the ping tool...450.5k downloadsupdated 14 y ago
• DDecay - Part 1by BanjaxePart 2: Part 3: Or get the collection above. Challenge: Complete the last chamber using only 3 cubes. Major Spoilers Below! If you get stuck QubaHQ has put a great walkthrough on youtube:175.8k downloadsupdated 15 y ago
• EEnigma Protocol | Chapter 7by Night MelonSet shortly after the events of the Cooperative Testing Initiative, a test subject wakes to GLaDOS' newest testing track. Make your way through 22 brand new test chambers in this map pack.79.5k downloadsupdated 6 y ago
• TThe Art of Cooperation IIby daveyvandyYou must not cooperate.73.4k downloadsupdated 13 y ago
• EEnigma Protocol | Chapter 8by Night MelonSet shortly after the events of the Cooperative Testing Initiative, a test subject wakes to GLaDOS' newest testing track. Make your way through 22 brand new test chambers in this map pack.73.0k downloadsupdated 5 y ago
• PPrison Escape: Act 4 (RE-LOADED)by blinkpenI made a slight change with this puzzle and now its better plus added some textures and such. Hope you enjoy this version of the installment. Thanks again. Keep Testing.61.2k downloadsupdated 14 y ago
• IInto the Multiverse Part 3 REUPLOADby Misty NullTHIS IS NOT MINE. Since the mod was deleted, I have reuploaded it so people can still play it. If the original creator wants me to take this down, contact me immediately. ALL CREDIT GOES TO BLAPPATURE EXECUTIVE NO. 146.8k downloadsupdated 8 y ago
• IInto the Multiverse Part 4 REUPLOADby Misty NullTHIS IS NOT MINE. Since the mod was deleted, I have reuploaded it so people can still play it. If the original creator wants me to take this down, contact me immediately. ALL CREDIT GOES TO BLAPPATURE EXECUTIVE NO. 145.6k downloadsupdated 8 y ago
• WWheatley's Reprisal [Part 2]by SkyferretContinue on. Why does Wheatley think little metal boxes with legs have any intelligence what so ever. They don't. Just don't fall as you work your way through. there's some deep pits. Quite bottomless. Please play Part 1 first. Or go to the Collection for all 6 maps.42.9k downloadsupdated 9 y ago
• IInto the Multiverse Part 7 REUPLOADby Misty NullTHIS IS NOT MINE. Since the mod was deleted, I have reuploaded it so people can still play it. If the original creator wants me to take this down, contact me immediately. ALL CREDIT GOES TO BLAPPATURE EXECUTIVE NO. 1 Please stop begging me to release part 8, I do not have part 8.42.7k downloadsupdated 8 y ago
• IInto the Multiverse Part 5 REUPLOADby Misty NullTHIS IS NOT MINE. Since the mod was deleted, I have reuploaded it so people can still play it. If the original creator wants me to take this down, contact me immediately. ALL CREDIT GOES TO BLAPPATURE EXECUTIVE NO. 142.3k downloadsupdated 8 y ago
• IInto the Multiverse Part 6 REUPLOADby Misty NullTHIS IS NOT MINE. Since the mod was deleted, I have reuploaded it so people can still play it. If the original creator wants me to take this down, contact me immediately. ALL CREDIT GOES TO BLAPPATURE EXECUTIVE NO. 142.0k downloadsupdated 8 y ago
• WWheatley's Reprisal [Part 1]by SkyferretYou start with of course Wheatley in control of the facility. It doesn't take long for that notion to get to his head. Or that little metal ball he calls a brain. He might try to kill you. You can also see the Collection here.40.9k downloadsupdated 9 y ago
• CConversion 2by BEN 77Solution test --->40.9k downloadsupdated 9 y ago
• WWheatley's Reprisal [Part 5]by SkyferretIf moving that last test chamber closer wasn't enough to almost bring the whole place down, I'm sure Wheatley will find a way to do more damage. Will he try to kill you, or maybe he would prefer of you just jump into that pit. Who knows, maybe there's something down there waiting for you. Maybe a...38.6k downloadsupdated 9 y ago
• WWheatley's Reprisal [Part 6]by SkyferretWheatley made some more tests. Funnels, a moat area, and very deadly. Well not quite but still a work in progress. Actually, just finish the test. Because once you're done, this IS the part where he tries to kill you. Just remember, there's a control room. It's very important to Wheatley. It's yo...37.0k downloadsupdated 9 y ago
• WWheatley's Reprisal [Part 4]by SkyferretControl rooms control things. Unless they're on rails. Then there's not much control over them. Especially when they bash into walls. More of that blue stuff. And an escape lift. Please play Part 1 first. Or go to the Collection for all 6 maps.36.0k downloadsupdated 9 y ago
• WWheatley's Reprisal [Part 3]by SkyferretThe factory. Not too sure what's being manufactured, but there's that blue stuff that was meant to be a food supplement. There's also mashy spiky plates. Please play Part 1 first. Or go to the Collection for all 6 maps.35.1k downloadsupdated 9 y ago
• GGooboundby phortExperiments in repulsion gel and trajectories. Featuring: No death! No irreversible mistakes! Thanks everyone for making my map so popular, and thank you for all of your comments! Rest assured I'm reading every one of them! NEW POLICY REGARDING POSTING LINKS: Any links to maps or workshop pages w...31.5k downloadsupdated 15 y ago
• CChambers of Madnessby DonyelBe sure to make use of the 'tab' function in which you can see what your partner sees. Keep in mind in cooperative chambers you must employ two sets of portals. Teamwork and communication is key to completing any cooperative test chamber.29.9k downloadsupdated 14 y ago
• RRace Mode!by Ian B.Two Bots Enter: ONE BOT LEAVES. Thank you so much for so much positive feedback! This map was so fun that I am taking the formula and turning it into a STAND ALONE GAME for Steam and Ouya built in Unity. The game is called "Rush Bros." For more info on the project please check out: tinyurl.com/rb...29.0k downloadsupdated 14 y ago
• TTransitionby BEN 77Difficulty --- not hard25.5k downloadsupdated 11 y ago
• PPortal Diversity - Part Threeby Mapboi Pete8 Test chambers based around the unused portal 2 asset "pneumatic diversity vent" Any feedback is greatly appreciated, Enjoy! You can find the other parts in the collection above.25.5k downloadsupdated 6 y ago
• Ttc_vitrifiedby ChickenMobileYou explore a vitrified area in old 1950's underground where you will stumble across an unexpected surprise... Thank you moth, skotty, brainstone, iwork925 and everyone who tested! Bugs: Speed Gel does not let you run fast enough to get to exit. I have no idea how this would happen. Changelog: V...23.1k downloadsupdated 14 y ago
• TTornate: Clusterby ReepblueMap 3 of 4 of Tornate21.1k downloadsupdated 14 y ago
• [[COOP] Sunbury Chambers 13 (HARD!)by BierPizzaChipsExplorative COOP. Difficulty: Hard ------------------------ Please see the comments for recommendations regards standalone coop-play and download support. ------------------------ #Created with Valve Hammer20.1k downloadsupdated 14 y ago
• CColours 04by Ian B.Welcome to the Aperture Science Moon Base! You've been sent over via shuttle on special order! Do you co-op bots have what it takes to prove yourselves worthy of the chambers the crazy caretaker AI has been building for you? Find out within! Colours Part 4, Theme: Red For More Info on Ian B.'s ne...19.9k downloadsupdated 14 y ago
• SShift: Preludeby Jiro 二郎Somewhere in the multiverse, two intertwined Aperture Science labs have invented a way to link universes together. With the 1.21-Gigawatt Aperture Science Multi-Dimensional Multi-Generator, the test subject now has the ability to solve tests that span across more than one universe. The Multi-Gene...18.7k downloadsupdated 14 y ago
• CConversionby BEN 77medium difficulty15.9k downloadsupdated 7 y ago
• WWheatley's Unscientific Tests: Part 6by Loo-KinMy Last Testchamber Sometimes tests must come to an end. Welcome to the senior management office of Wheatley Science. Here you will not be served coffee, but you will be offered such services as: Explosions! Destructions! Crazy jumps! Crushers that shoot fire! Hanging Turrets! Explosion Timer! .....15.9k downloadsupdated 8 y ago
• [[COOP] Sunbury Chambers 16by BierPizzaChipsThis may be more than what you expect. Difficulty: Medium Attention: The jump back into the main menu at the end of the map is broken. Any rating has to happen via Steam Workshop. Never the less, this is my favourite in my series. ------------------------ Note: If bumpy, play systematically. ----...15.7k downloadsupdated 14 y ago
• HHighwayby BEN 77easy / medium difficulty changes easy/medium difficulty Playthrough by Equinox >14.7k downloadsupdated 12 y ago
• UUnderground. Part 3by BEN 77playthrough here >>>13.9k downloadsupdated 13 y ago
• TThe Runwayby Will T.TVRUse all three types of gel (yes, even conversion gel!) to figure out how to get enough momentum to cross that giant lake of goo. There is a shorter way to get to the top during the bounce gel puzzle. See if you can find it!13.8k downloadsupdated 15 y ago
• FFun Simulatorby DonyelBe sure to make use of the 'tab' function in which you can see what your partner sees. Keep in mind in cooperative chambers you must employ two sets of portals. Teamwork and communication is key to completing any cooperative test chamber. Used Back-Stock's Extended Editor (not needed to play the...13.8k downloadsupdated 14 y ago
• TTime savingby УМАTEST 08 Time and time again time! In this test, we should appreciate it:) Use F6 to quick save! Waiting for comments and feedback. Thanks for playing.13.4k downloadsupdated 14 y ago
• MMartin's Cooperative TESTby TraViSTest of new Portal 2 feature - community cooperative maps13.4k downloadsupdated 14 y ago
• FFranki344 puzzleby Franuna partida creada para jugar con Darklink12.8k downloadsupdated 14 y ago
• DDooM E1M2 with Turrets and Puzzles v3by carl.kennerDooM 1 E1M2: Nuclear Plant, with actual DooM level and textures. New: CHOOSE YOUR DIFFICULTY (Can I Play Daddy-Nightmare) Optionally supports Razer Hydra and SIXENSE DLC*. This is level 2. Level 1: Wolfenstein 3D: This is no test chamber. You're on Phobos, and must fight your way past hell's army...12.8k downloadsupdated 14 y ago
• FFrancks_ COOP Sessions #10 - The Pool & The Roomsby Francks_Teamwork to go through the pool and the rooms No deaths are necessary12.7k downloadsupdated 6 y ago
• IInto The Multiverse part 3 Reuploadby ScolvoI DID NOT MAKE THIS I am only reuploading it because the original version has gone down ( hopefully for a good reason ) and I want to give people the chance to play it and replay it. These maps were made by Blappeture Executiver No.112.6k downloadsupdated 8 y ago
• IInto The Multiverse part 6 REUPLOADby ScolvoI DID NOT MAKE THIS I am only reuploading it because the original version has gone down ( hopefully for a good reason ) and I want to give people the chance to play it and replay it. These maps were made by Blappeture Executiver No.112.6k downloadsupdated 8 y ago
• PPS Portalable (CRASH)by gifqaHave fun! --- Path of the cube 1 Path of the cube 212.5k downloadsupdated 14 y ago
• IInto The Multiverse part 5 REUPLOADby ScolvoI DID NOT MAKE THIS I am only reuploading it because the original version has gone down ( hopefully for a good reason ) and I want to give people the chance to play it and replay it. These maps were made by Blappeture Executiver No.112.4k downloadsupdated 8 y ago
• IInto The Multiverse part 4 Reuploadby ScolvoI DID NOT MAKE THIS I am only reuploading it because the original version has gone down ( hopefully for a good reason ) and I want to give people the chance to play it and replay it. These maps were made by Blappeture Executiver No.112.3k downloadsupdated 8 y ago
• TThe Turret Combat Initiativeby BluurbolProbably the largest chamber I've made yet, this coop chamber is all about destroying turrets. It features four different rooms to be completed -- all containing turrets! This level also makes use of my new "checkpoint" system I've been developing. You must use a variety of techniques, but you'll...12.1k downloadsupdated 12 y ago
• IInto The Multiverse part 7 REUPLOADby ScolvoI DID NOT MAKE THIS I am only reuploading it because the original version has gone down ( hopefully for a good reason ) and I want to give people the chance to play it and replay it. These maps were made by Blappeture Executiver No.112.0k downloadsupdated 8 y ago

196 conversion gel mods, most downloaded first. Each one has its own page here with what it needs to run and where its author publishes it; the files themselves stay with the author and are never re-hosted on this site.