Here are the best 20 mods of August, 2025 for Portal 2! This list is based off of the Steam Workshop.
1. Danger Flow
Author - portal bump
Views - 3926
Downloads - 2338
Explore the grimy and chaotic underbelly of Aperture Science in this Valve-inspired mod, where you’ll encounter a mix of trash, Gel, and even the quirky Adventure Sphere, Rick! This fast-paced map was meticulously crafted in just three days and thoroughly tested by experienced players, promising an engaging and challenging experience for Portal 2 fans. Don’t miss out on this unique and thrilling adventure!
2. Amphiuma Tridactylum
Author - AxoLabs
Views - 357
Downloads - 283
Explore a meticulously reassembled test chamber where you can appreciate the pristine beauty of the surroundings. Dive into a unique testing experience that offers a fresh perspective on Portal 2 gameplay. Give it a try and see how this reimagined test chamber challenges your problem-solving skills in new and exciting ways!
3. [BEE] The Aperture Science Cube of Explosiveness
Author - Frostbyte :3
Views - 1089
Downloads - 681
Embark on a thrilling testing course in the Aperture Science Cube of Explosiveness mod for Portal 2! Navigate through bomb-induced challenges and dodge shrapnel as you explore this unique test chamber. Experience the excitement of using the bomb cube from BEEMOD in creative ways, with the potential for more tests to come. Give it a try and see if you can conquer the explosive puzzles!
4. Hard hat
Author - Ology
Views - 476
Downloads - 520
Explore a fun and challenging map in Portal 2 that incorporates unique elements not commonly seen in other maps. The creator has put in extra effort to make the experience engaging and enjoyable. Try it out and provide your feedback to help improve the map for future players.
5. Unorthodox Excursion 2
Author - Awesomegame70
Views - 267
Downloads - 256
This mod is a sequel to the first map and it’s created by AG70. If you enjoyed the first map, you should definitely give this one a try. Leave your comments or questions below and have fun playing!
6. Futbol Test
Author - Spamton G. Spamton (Romantic)
Views - 881
Downloads - 637
This mod for Portal 2 aims to recreate the look and feel of the original Portal game. While the first two chambers offer a familiar experience, the third chamber may feel slightly incomplete as the creator had difficulty coming up with ideas for it. Give this mod a try for a nostalgic trip back to the world of Portal 1!
7. Dereliction Unfinished - 04, “Boxes”
Author - AxoLabs
Views - 198
Downloads - 536
This mod called “Dereliction Unfinished - 04, “Boxes”” features metal boxes with different uses. It includes custom music, hazard textures, item droppers, and door frames created by various contributors. Most of the assets were sourced from the Portal Mapping and Modding community, making it an exciting and creative addition to your Portal 2 experience. Give it a try to explore new challenges and innovative features in the game!
8. Portal 1 in bite-sized boxes
Author - toaster with legs
Views - 2172
Downloads - 1476
Experience an abridged version of the original Portal game in the style of Portal 2, where each test chamber is condensed into a bite-sized box structure. Perfect for when you’re short on time but still want to enjoy the challenge and fun of Portal. Dive into this unique twist on the classic game and see how the puzzles have been cleverly adapted to fit within these compact test chambers.
9. Dereliction Unfinished - 10, “Forcefield”
Author - AxoLabs
Views - 541
Downloads - 674
This mod features area denial gameplay with light bridges and turrets. It includes custom assets like expanded hazard textures and a vactube item dropper, as well as music from Portal Pro. With unique tools and assets, players can experience a new level of challenge and creativity in Portal 2. Give it a try and see how these added elements enhance your gaming experience!
10. Dereliction Unfinished - 08, “Acid”
Author - AxoLabs
Views - 419
Downloads - 636
In this mod, you’ll encounter faith plates, fizzlers, and a mysterious vitriolic fluid that adds a new dynamic to the puzzles. The timing might be a bit challenging but still doable. The custom music and assets create a unique atmosphere that enhances the gameplay experience. Give it a try and see if you can conquer the puzzles in this intriguing environment.
11. Dereliction Unfinished - 05, “Switch”
Author - AxoLabs
Views - 331
Downloads - 571
This mod offers a challenging experience with advanced cube and autoportal mechanics. With custom assets and tools, including expanded hazard textures and a Vactube item dropper, players can immerse themselves in the unique environment created by the modders. The use of custom music and assets from the Portal community adds a fresh twist to the gameplay, making it a must-try for Portal 2 fans looking for a new and exciting challenge.
12. DarkBro COOP [Chamber 7]
Author - darkbro
Views - 422
Downloads - 611
Explore a challenging new cooperative chamber in this mod. Test your problem-solving skills and teamwork with a friend as you navigate through intricate puzzles. If you enjoy a good challenge, give this mod a try and see how you like it!
13. Dereliction Unfinished - 07, “Climb”
Author - AxoLabs
Views - 233
Downloads - 542
This mod introduces new challenges using repulsion gel for traversing testing environments, offering a fresh perspective on puzzle-solving in Portal 2. It features custom assets and tools to enhance the gameplay experience, including expanded hazard textures and a unique vactube item dropper. With a new music track and a variety of custom assets, this mod invites players to explore and conquer its unique obstacles.
14. Dereliction Unfinished - 02, “Fizzintro”
Author - AxoLabs
Views - 236
Downloads - 523
This mod features an intriguing level design centered around Fizzlers and their unique effects on preplaced portals. With custom assets and tools like hazard textures and a Vactube item dropper, the mod offers a fresh and challenging gameplay experience. The music “Taste of Blood” from Portal sets the tone for the level, urging players to explore and solve puzzles using these new elements. Overall, it’s a must-try for Portal 2 fans looking for a unique and engaging puzzle-solving experience.
15. Dereliction Unfinished - 09, “Sentry”
Author - AxoLabs
Views - 243
Downloads - 542
Explore a unique puzzle experience where you utilize lasers, pistons, and a sentry turret to progress through challenging levels. Keep an eye out for a possible non-portalable platform issue when lowering the piston – simply move it back up slightly to overcome this obstacle. Immerse yourself in the custom music and expanded hazard textures as you navigate through this intriguing mod. Give it a try and test your problem-solving skills in this engaging Portal 2 experience!
16. “SIMPLE TEST”
Author - Alexter
Views - 283
Downloads - 343
Explore a mysterious and challenging test chamber in this mod that will test your problem-solving skills in Portal 2. With no description provided, the surprises and puzzles within await your discovery. Dive in and see if you can conquer the challenges that lie ahead!
17. No FUN in FUNnels
Author - Soulsphere
Views - 122
Downloads - 169
This mod offers a straightforward test chamber created with basic tools, but there’s a twist to it that adds an extra level of challenge and fun. The puzzles are engaging and will test your problem-solving skills in a unique way. Give it a try for a fresh and enjoyable Portal 2 experience!
18. Abduct
Author - Brian_Nether
Views - 567
Downloads - 518
Try out this mod that features a small, overgrown tractor beam puzzle in Portal 2. Challenge yourself with this unique puzzle and share your feedback in the comments section. Give it a try and see if you can solve the mystery of the tractor beam!
19. Portal Swap
Author - droc101
Views - 810
Downloads - 527
20. Waiting Game
Author - Yadin
Views - 129
Downloads - 145
This mod is a short and easy puzzle chamber that requires some waiting and using a laser to progress. It’s a quick and fun challenge that won’t take up much of your time but will still test your problem-solving skills. Give it a try for a brief yet entertaining Portal 2 experience!
NOTE - Mod descriptions in this topic were generated by ChatGPT. I do try to go through each one and improve/rewrite them when I can.



















