| 301. |  NESblog / Speed Game | 627,881 | Speed Game [60FPS] : Portal 2 fini en 1:07:28 par Znernicus | 1:25:45 |
| 302. |  LB | 627,387 | Portal 2 PeTI - "PHYSIK WITH PORTALS V.34" by Private | 21:28 |
| 303. |  cazum8 | 625,772 | Controlando Gravidade, Resolvendo Enigmas e Loucuras de Robôs!! - Jogando Gravitas | 23:29 |
| 304. |  AQUISI | 625,220 | portales xdd | 37:03 |
| 305. | CFM | 623,142 | Portal 2 Soundtrack - Replay Hallways (co-op) | 1:09 |
| 306. | TotalBiscuit | 621,667 | WTF Is... - Portal 2 (WTF Am I Doing Edition) | 36:00 |
| 307. |  FOB3X | 615,784 | Chell -Portal 2- [MOD] in Haydee | 5:11 |
| 308. |  Debitor | 613,733 | Wir jizzen überall hin | Portal 2 #10 | 17:52 |
| 309. | Tighty-Whitey | 611,426 | Portal 3 Trailer (2023) | 0:59 |
| 310. | Sharkness VS | 609,833 | RAP PORTAL ||| SHARKNESS | 3:49 |
| 311. |  강 지 | 608,174 | 않이 그렇게 하는 거 아니라고! | 18:01 |
| 312. | Aliensrock | 608,155 | The True Ending of Portal Reloaded - 100% Completion! | 23:27 |
| 313. | Sp00nerism | 604,845 | Portal 2 Custom maps with Nova part 4 | 12:14 |
| 314. |  Htwo | 602,434 | Reading Portal 2's Negative Reviews (So That You Don't Have To) | 11:09 |
| 315. |  zeighy | 601,753 | Portal 2: Time Arch (User Map) | 3:24 |
| 316. |  Coop-Land | 600,734 | ТОП 10 КООПЕРАТИВНЫЕ ИГРЫ ДЛЯ СЛАБЫХ ПК | 14:39 |
| 317. | JesusAVGN | 597,441 | Portal 2 с Нифедовым #3 | 24:00 |
| 318. | technole | 595,827 | PORTAL 2 - Portrait of a Lady Trophy and Steam Achievement | 1:12 |
| 319. |  ГАВЕР | 590,905 | Железные придурки - Portal Reloaded | 17:56 |
| 320. | Mr. Fruit Pokemon | 590,190 | THE FINAL CHALLENGE! | Portal 2 Co-op Let's Play #8 | 37:57 |
| 321. | Marik78 | 588,015 | 31# Portal 2 | Достижение "Мастер порталов" | 5:06 |
| 322. |  Vertez Games | 587,938 | Portal 2 (#10) | KONIEC GRY! | Vertez+ | Gameplay, Zagrajmy | | 28:20 |
| 323. | Kryoz | 585,603 | This will be the final video that I ever upload on this channel where me and SMii7Y play Portal 2 | 17:57 |
| 324. | hachiroku24 | 585,119 | Lego Portal 2 GLaDOS UPDATE (OVER 9000 SUPPORTERS ON LEGO IDEAS!!!!!!) | 14:26 |
| 325. | Thief Tichy | 578,927 | Lets play Portal 2 Czech HD - Part 10 - Nevracej se zpět! | 39:36 |
| 326. |  AyesDyef | 574,797 | Portal 2 - Smash TV Achievement Monitor 10 Redux [also also contains spoilers] | 1:33 |
| 327. |  Coco Ch. 桐生ココ | 571,459 | 【#はあココPORTAL2】名作ポータル2！！協力頭脳プレイじゃい！！ | 4:32:05 |
| 328. | VideoDeadGaming | 568,081 | Portal 2 Community Test Chambers: Above Aperture part 4 | 7:07 |
| 329. |  RTGame Stream Archive | 566,801 | RTGame Archive: Portal 2 w/ CallmeKevin | 2:09:05 |
| 330. | IGRARIUM - Игровые обзоры | 566,388 | VOTV: ГАЙД НА ОМЕГА КЕРФУСА! (КОШКОЖЕНУ) | 0:49 |
| 331. | Encrypted Duck | 563,055 | Portal Revolution - Full Game (No Commentary) | 3:56:48 |
| 332. | TeraBrite Games | 560,830 | Oculus Rift Dreamdeck VR Experience | First Reaction | 8:01 |
| 333. | Daily Dose of xQc | 558,918 | xQc Plays Portal 2 Single Player | with Chat | 4:15:43 |
| 334. | Helio Translations | 558,268 | Korone and Okayu's Fun Portal 2 Moments [OkaKoro] | 8:57 |
| 335. | GassyMexican | 557,964 | ROG Holiday Gaming Challenge! - Week 2 Gassy Vs BasicallyIDoWrk | 15:22 |
| 336. | maudado | 556,853 | @Zombey durchbohrt mich mit einem Weltraum-Laser | 14:14 |
| 337. | SAH4R SHOW | 549,818 | ПОРТАЛ 2 СЛОЖНЕЕ ЕГЭ #16 | 17:51 |
| 338. | bcc2528 | 544,491 | Portal 2 Mod - Thinking with Time Machine | 9:00 |
| 339. | ExXtremeGamers | 544,427 | LIVESTREAM - PORTAL 2 - O GRANDE FIM! | 1:18:21 |
| 340. | ДЮТЯ | 543,396 | CORE HUB - ПОТЕРЯННАЯ БЕТА PORTAL 2 | 15:25 |
| 341. | LifesAGlitchTV | 541,858 | Let's Play Co-op: Portal 2 Level Final Part -- LAGTV | 52:33 |
| 342. | FragHero | 533,988 | 8 Video Games That Have Fans Demanding Sequels | 6:26 |
| 343. | Braite | 528,591 | Secret Wheatley Line | 0:59 |
| 344. | tdyu | 527,606 | Los 5 Secretos más Oscuros y Aterradores de Portal | 10:12 |
| 345. | AntVenom | 524,219 | Portal 2: You Better Run Forrest! (Community Chambers) | 16:12 |
| 346. | Zangado | 522,663 | PORTAL 1 e 2 : Vale ou Não a Pena Jogar!? | 32:01 |
| 347. | CrisBunker | 519,889 | Portal 2 - Laser Hu3, Jogadas Épicas! TotalArmy | 13:31 |
| 348. |  Ahtee PaPaNG | 519,403 | [EP.16 END] Portal 2 - ขออย่าได้เจอกันอีก!! | 34:51 |
| 349. | ЭЙР | 517,870 | Поиграли Мы Значит в Portal 2... 🤖 / Угарные Моменты Эйр | 0:41 |
| 350. |  Sterakdary | 517,161 | Free-to-play modifikace hry Portal s cestováním časem! - Portal Reloaded | 15:28 |
| 351. | Lambda Core | 516,380 | Portal 2 Community Edition Workshop - The Lab GLaDOS addon | 0:31 |
| 352. | Izzy's Game Time | 515,830 | Portal 2: FINALLY! THE END! | 26:25 |
| 353. | Ninomae Ina'nis Ch. hololive-EN | 514,861 | 【PORTAL 2】 1+1= Yes | 2:11:16 |
| 354. | Nord Productions | 511,820 | Portaled #3 - Moonbase Luna-C 02 Featherfall | 4:35 |
| 355. | HERO Dengoso | 508,316 | Fortnite: FORTNITE VIROU PORTAL 2? ‹ DENGOSO › | 28:46 |
| 356. | sophycz | 500,431 | Portal 2 #2 [Sophy.cz] | 20:08 |
| 357. |  Beril Sergün | 500,365 | Portal 2 Oynuyoruz! - Bölüm 8 - Meğer Başından Beri Hep Kötüymüşüz Biz :( | 41:56 |
| 358. | Cube1701 | 493,027 | SPAAAAAACE! - Portal 2 | 0:04 |
| 359. | gameranx | 491,513 | Portal Reloaded - Before You Buy | 10:34 |
| 360. | baastiZockt | 490,375 | PORTAL 2 #18 - Der letzte Kampf mit epischem Ende | 17:57 |
| 361. | KOZAK9u | 489,893 | 포탈2 (Portal2) 협동 마지막 플레이 | 19:38 |
| 362. | Облачный ветер | 489,636 | Portal 2. Очень много пасхалок! | 25:17 |
| 363. | DualDGaming | 488,125 | Portal 2 på svenska | Co-Op LP - #15 | 39:51 |
| 364. | Dopelives | 487,870 | [Dopefish] Laughing at Rumia - Portal 2 Coop | 3:22 |
| 365. | Elarcis | 484,935 | Portal 2 Music - Perpetual Testing Initiative Trailer | 1:44 |
| 366. | FangVik | 484,916 | Тайна Portal 2 Челл не дочь Кэролайн Избавилась от Кейва | 12:32 |
| 367. | Heckalaech | 484,581 | Гайд по конструктору карт Portal 2 В. Банникова | 7:27 |
| 368. | GermanLetsPlay | 483,147 | Portal 2 Gameplay | Let's Play Together [Blind!] [FULL HD] #17 - Das unerwartete Ende | 16:32 |
| 369. | DarkPlayer GamingTV | 480,596 | Portal 2 Parte 14 Final, Ending, Song y Extra Ending Español Gameplay Walkthrough | 15:13 |
| 370. | Enis Kirazoglu | 479,952 | OYNAMADIĞIM İÇİN UTANDIĞIM EFSANE OYUN SERİSİNİ SONUNDA BİTİRDİM! | 12:50 |
| 371. | Inside Gaming | 477,523 | Portal 1 & 2 writer wants to start on Portal 3 | 6:43 |
| 372. | RanguGamer | 476,865 | Portal2 Cooperativo 4 Trabajo en Equipo | 1:03:40 |
| 373. | 4Player Network | 474,094 | 4Player: Portal Pandemonium | 6:56 |
| 374. | AutomattPL | 473,402 | Ale ze mnie DZBAN ¬_¬ | Portal 2: Komory Społeczności [#2] | 18:28 |
| 375. | GLoWhNo | 470,378 | This Portal Map Tells a Disturbing Story... | 19:06 |
| 376. | Wedry | 465,633 | NEJTĚŽŠÍ ÚROVNĚ! (Portal #7) /w Bax | 21:42 |
| 377. | Le petit monde de Biloulette | 465,565 | Portal 2 Solo - Test 11 | 22:45 |
| 378. | Quasar Jogos | 465,375 | Robôs Amigos em Games - Quasar Jogos | 11:43 |
| 379. | BHultra | 463,791 | The Anticipation of Portal 2 | 3:56:23 |
| 380. | Hellbent | 463,519 | Portal 2 - Stream 2 | 2:28:45 |
| 381. | 홍방장 | 463,333 | 포탈2 (PORTAL2) 15화완결 | 16:29 |
| 382. | Watson Amelia Ch. hololive-EN | 463,070 | 【PORTAL 2】Investigating with Portals! Part 3 | 2:03:26 |
| 383. | PixelTwitch | PC Gaming Goodness | 461,572 | Let's Play! - Portal Stories: MEL - Part 9 - Stuck... | 20:42 |
| 384. | Anka Leydi | 460,255 | Portal 2 CO OP ÜZÜCÜ SON | 1:20:22 |
| 385. | 8-BitStudios | 459,855 | Might not be A big one | 0:26 |
| 386. | VGBF | 457,129 | PORTAL 2 - All Wheatley & GLaDOS Quotes + Ending Boss Fight (Cutscenes Movie) | 1:36:53 |
| 387. | DeiCrazy | 455,559 | GlaDOS VUELVE A TOMAR EL CONTROL... ¿FINAL FELIZ? 😓 PORTAL 2 (Final) | #12 | 29:54 |
| 388. | KjerneKarl | 455,550 | Visdomsord fra Tønsberg | 1:21 |
| 389. | HowcastGaming | 455,126 | Portal 2 "Peer Review" DLC - Art Therapy Room 9/09 and Ending [HD] | 8:37 |
| 390. | Mapocolops | 454,618 | Shutting Down Aegis | The Ending of Portal Stories: Mel Playthrough [Part 4] | 1:25:05 |
| 391. | DepisH2 | 454,359 | Portal 2: Май Блади Валентайн | 7:37 |
| 392. | Записи стримов Куплинова | 453,266 | ЗАПИСЬ СТРИМА ► Portal + Portal 2 (перезалив с основного канала) | 5:45:54 |
| 393. | Рофляночка Папича | 452,475 | ПАПИЧ У РАЗБИТОГО МОСТА... | 11:26 |
| 394. | GMSVidea | 452,052 | Čtvrté Komunitní Mapy se Stérou v Portal 2 | 30:38 |
| 395. | Ezodagrom | 451,891 | Portal: Chapter 8 - Live-fire course designed for military androids | 4:13 |
| 396. | Adam Savage’s Tested | 451,417 | Valve's Steam Controller Prototype Hands-On at GDC 2014 | 10:09 |
| 397. | Akakun | 450,429 | [60fps] Portal 2 (Español) #8 | 30:21 |
| 398. |  ythienTV | 448,915 | Portal Reloaded FULL GAME | 2:02:26 |
| 399. | NOBK | 446,268 | Portal 2 Coop - Bölüm 4 | 55:50 |
| 400. | ALLAN | 445,484 | Portal 2: 10 лет спустя | 22:20 |
