ModsBridge Constructor Portal
Bridge Constructor Portal mods
A mod changes the game itself. It needs something to load it, it may need other mods first, and it only works on the versions its author built it for.
448 mods, most downloaded first · newest update 19 Aug 2026
- dont do anythingby S.A.M. (She/Her)just start the convoy566 downloadsupdated 5 y ago
- "For More Science" Achievmentby ChrysaloidAccording to my calculations during this 4 minute test chamber there are around 5300 Portal Transitions so you will obviously complete the achievment. I advise you to lower your graphic settings because I'm getting only about 7 FPS in the final phase. Enjoy.557 downloadsupdated 8 y ago
- It's a trap !by Cayde Stroke MaxAdmiral ackbar probably couldn't figure this out.549 downloadsupdated 8 y ago
- TABB - Part 17by 76561198051046610Pellet of Fortune As a massive alternate universe developed by GLaDOS Prime, the Network is a massive system of Aperture's control spires. However, Dark Cave's technicians uploaded a virus causing the security systems of the Network to go under Dark Cave's control. Your new goal is to bypass the...544 downloadsupdated 8 y ago
- TABB - Part 18by 76561198051046610Retro Fever Approaching an alternate wasteland world that was recently affected by a heavy earthquake, many of it's bridges were destroyed. You must rebuild this one bridge. Difficulty: Easy-Medium Hazards: Falling Vehicles: 4 Dimension: Earth 1624: The Earthquaked Wastelands This level is inspir...539 downloadsupdated 8 y ago
- idk what i am doingby 76561199074236300539 downloadsupdated 4 y ago
- TABB - Part 20by 76561198051046610Back to the Towers You finally return from the multiverse into the Apparatus Research Towers, but you find out that the doors back were sealed! You need to find another route back, starting with the obstacle course below. Difficulty: Medium or Hard Hazards: Falling, Laser Fields Vehicles: 2 Dimen...537 downloadsupdated 8 y ago
- Loopsby 76561198797215413517 downloadsupdated 3 y ago
- TABB - Part 19by 76561198051046610Thinking With Cables Arriving at one last universe, you must brave a ridiculously hard test chamber that can only have bridges well supported with cables. Difficulty: Hard Hazards: Falling Vehicles: 2 Dimension: Earth-6679514 downloadsupdated 8 y ago
- TABB - Part 31by 76561198051046610Lockdown Alert! You managed to retrieve the Cube of Possibilities within the Network, but it went under a reactor breach, and you have to escape it as fast as you can before it self-destructs! Difficulty: Easy Hazards: Laser Fields, Falling Vehicles: 2512 downloadsupdated 7 y ago
- Cube-eskalationby Mindamon501 downloadsupdated 8 y ago
- TABB - Part 21by 76561198051046610Vehicular Dodgement Since you left the Door to the Multiverse, you strangely found new testing areas beyond the new tube. This one requires you to dodge as many high energy pellets as you can. Difficulty: Medium Hazard: High Energy Pellets, Laser Fields, Falling Vehicles: 10497 downloadsupdated 8 y ago
- TABB - Part 22by 76561198051046610Destruction Course Over at the Apparatus Research Towers again, they have set up an extra type of course with a new version of the High Energy Pellet; the Wild Pellet! Difficulty: Not Estimated. Hazards: Falling, Lasers, Wild Pellets Vehicles: 5484 downloadsupdated 8 y ago
- TABB - Part 25by 76561198051046610Through the Zone Of Doom You're almost at the Turret Manufacturing chambers. One more chamber and you'll reach the tube! Difficulty: Medium-Hard Hazards: Goo, Turrets, Laser Fields, High Energy Pellets Vehicles: 4476 downloadsupdated 8 y ago
- Portal Perilby TimrekJust watch... Or maybe not.475 downloadsupdated 7 y ago
- TABB - Part 26by 76561198051046610Tripping It Up Since the High Energy Pellet Testing Course was fully tested, you're now ready to do a new one with live fire and a new alarm system. Try to avoid the hazards triggered by the buttons here. Difficulty: Hard Hazards: Lasers, Goo, Turrets Vehicles: 5 Challenges In-Secret Transport -...473 downloadsupdated 8 y ago
- TABB - Part 32by 76561198051046610Pellet of Fortune (Hard) Since you returned from the Multiverse, you also had to return to the same spire you visited during your multiverse expedition. This time, you have to survive it's dangers once again, but this time, it's more dangerous! Difficulty: Very Hard Hazards: Lasers, Goo, High Ene...461 downloadsupdated 7 y ago
- Pythagora switchby michael459 downloadsupdated 7 y ago
- Heavy Stressby Fürst Finster456 downloadsupdated 8 y ago
- The OverComplicated Map That Looks Hard But Accutaly Easy.by 76561198874737929Yes. You Heard Me Right.455 downloadsupdated 4 y ago
- TABB - Part 29by 76561198051046610Sewage Zone Surprisingly, the tube to your destination was not complete, so you'll have to take the sewer route to the other side. However, security systems were installed here when Aperture Laboratories was under Wheatley's control, so be as careful as you can. Difficulty: Medium-Hard Hazards: G...451 downloadsupdated 8 y ago
- TABB - Part 24by 76561198051046610Cable Nexus You're getting very close to the Turret Manufacturing sector of Aperture Expanse. What lies beyond the tube after this logic-focused testing area of the Apparatus Research Towers? Difficulty: Medium Hazards: Goo, High Energy Pellets, Turrets, Laser Fields450 downloadsupdated 8 y ago
- speedy boysby 76561199260769271SPEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEED449 downloadsupdated 2 y ago
- TABB - Part 23by 76561198051046610It's Behind You! Another test chamber with the dangers of the High Energy Pellet is this one. This next test requires you to survive a high energy pellet obstacle course while headed for the exit. Difficulty: Easy? Hazards: Lasers, High Energy Pellet Vehicles: 4447 downloadsupdated 8 y ago
- trickshotby 76561199194849509446 downloadsupdated 21 mo ago
- TABB - Part 43by 76561198051046610Behind the Scenes After exiting the main testing course, the tube went back out of the chamber, all the way to what lies behind the panels of the test chambers. Difficulty: Medium-Hard (Estimated) Hazards: Lasers, Falling, Turrets Vehicles: 6444 downloadsupdated 7 y ago
- TABB - Part 27by 76561198051046610Catapult Evasion In this next test, you'll have to use the toughest tactics you've learned to get through it. Difficulty: Medium-Hard Hazards: Falling, Turrets, Laser Fields Vehicles: 5442 downloadsupdated 8 y ago
- Escape Deathby CriticalThread441 downloadsupdated 8 y ago
- Map for Achievements 2 (For Science!)by BoXoLoPBest map for Achievements Avaible Achievements: For Science! (1,000 Portal Transitions) For More Science! (5,000 Portal Transitions) Check the other map "Map for Achievements" for other Achievements in "REQUIRED ITEMS"438 downloadsupdated 7 y ago
- TABB - Part 28by 76561198051046610New Entry to the Network WARNING: This level contains extremely difficult puzzles, which can include hard to notice building spots, confusion, and/or very hard puzzles. Play at your own risk. You just found out that the turrets here were truly built by Dark Cave along with the Network. Your next...430 downloadsupdated 8 y ago
- Map for Achievementsby BoXoLoPBest map for Achievements Avaible Achievements: Centrifugal Convoy Adjustment System (Passed through the same portal 15 times) Entry-Exit Relay Repeater System (30 times back and forth through the same portal) Aerial Mobility Support System (Bounced 25 times on the repulsion gel with the same veh...430 downloadsupdated 7 y ago
- TABB - Part 47by 76561198051046610Field Vertigo: First Half The final test chamber in the main course lies beyond another unfinished portion of the Apparatus Research Towers. You'll have to make it through this long gauntlet of death fizzlers. Difficulty: Medium to Hard Hazards: Death Fizzlers, Goo, Turrets, Vehicles: 16428 downloadsupdated 7 y ago
- Blocked connectionby 76561198836807047How will you build the bridge with that emancipation grid in the way?428 downloadsupdated 6 y ago
- TABB - Part 36by 76561198051046610Seperation Operation You already survived the havoc that has been caused in the Apparatus Research Towers, but that wasn't the only problem. You also have landed in a harder test that seperates the convoy. Difficulty: Very Hard Hazards: Goo, Turrets, Wild Pellets Vehicles: 4425 downloadsupdated 7 y ago
- TABB - Part 44by 76561198051046610Rock the Bridge You managed to make it to this next section of Aperture Expanse, which is also dangerous. You also have to use cables and supports for free hanging bridges this time as well. Difficulty: Very Hard+ (Estimated) Hazards: Goo, Lasers, Turrets Vehicles: 5420 downloadsupdated 7 y ago
- TABB - Part 46by 76561198051046610The Velocity Games You managed to make it this far, and you must make it through the penultimate of the main course, but be careful; It's wicked tough and filled with death fizzlers like the ones from the previous chamber. Difficulty: Hard to Very Hard Hazards: Death Fizzlers Vehicles: 6419 downloadsupdated 7 y ago
- TABB - Part 30by 76561198051046610Return to the Network You have finally reached the heart of the Network that contains the door to Dark Cave's universe. However, you bypassed the layer of lasers that are part of the force field and must steal back the Cube of Possibilities, which keeps the gateway running. Difficulty: Medium-Har...417 downloadsupdated 8 y ago
- TABB - Part 37by 76561198051046610Narrow Gauntlet You managed to reach a more deadly chamber which is narrow. Will you make it before this tower collapses? Difficulty: Hard Hazards: Goo, Turrets, Lasers Vehicles: 16416 downloadsupdated 7 y ago
- Rather trickyby DimastiyTry to beat this damn thing.413 downloadsupdated 8 y ago
- Easyby 76561199184778966An EASY level :D no portals!413 downloadsupdated 2 y ago
- TABB - Part 41by 76561198051046610Parallel Perimeter As you managed to survive the heavy lockdown, most of the facility started to protect their main tests with lasers to prevent intruders. They began opening up new tests, such as this new one. Difficulty: Hard to Very Hard Hazards: Goo, Turrets Vehicles: 6 Challenges Parallel Br...410 downloadsupdated 7 y ago
- ASMR fling themby 76561199469437536line patterns no bridge just watch and BE SATISFYED409 downloadsupdated 3 y ago
- Fly Away My Childby EnderActually possible, uses an exploit.408 downloadsupdated 8 y ago
- The big and many brigesby 76561198351731356difcullty medeam i hope you have fun and try to enjoy the level and if you have idears you want just tell me in the comments408 downloadsupdated 7 y ago
- Big Bridge Hardby MindamonTry it When you have 60/60402 downloadsupdated 8 y ago
- One Stop Bumperby DoMessWithProfileDifficulty: Medium - Hard Includes: Laserfield, Button (One Touch), 3 anchors401 downloadsupdated 8 y ago
- TABB - Part 39by 76561198051046610Manufactury Mayhem You have managed to figure out the way back to the main tests within Aperture Expanse, but you'll have to go back through the Turret Manufacturing section. You'll also have to use inverted supports to get through this one. Difficulty: Medium-Hard Hazards: Turrets, Lasers, Falli...401 downloadsupdated 7 y ago
- TABB - Part 33by 76561198051046610Destructive Gauntlet You recently discovered that there is only one remaining way out of the Network: A vactube in this hidden chamber. One warning: This one is extremely dangerous. There's also a lot of hanging bridges that are required. Good luck! Difficulty: Extreme Hazards: Goo, Lasers, Turre...400 downloadsupdated 7 y ago
448 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.