| 401. | Portal 2 Workshop - Ventura 4 | 1 | | Portal 2
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| 402. | Portal 2 Workshop - Renewed Test Initiative #17 - Timed | 1 | | Portal 2
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| 403. | Portal 2 Workshop - The Expanse | 1 | | Portal 2
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| 404. | Portal 2 Workshop - That 70's Map and Hazardous Escape | 1 | | Portal 2
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| 405. | Portal 2 Workshop - Moonbase Luna-C 05: Nature Abhors | 1 | | Portal 2
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| 406. | Portal 2 Workshop - Odyssey Part 1 | 1 | | Portal 2
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| 407. | Portal 2 Workshop - Wicked Tower | 1 | | Portal 2
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| 408. | Portal 2 Workshop - Old Portal Season 2 Chambers 34-36 | 1 | | Portal 2
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| 409. | Portal 2 Workshop - Renewed Test Initiative #18 and 19 | 1 | | Portal 2
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| 410. | Portal 2 Workshop - Advancement #3 - Tri-Angular | 1 | | Portal 2
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| 411. | Portal 2 Co-Op - E06 "Excursion Funnels" | 1 | | Portal 2
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| 412. | Portal 2 Workshop - Decay Part 3 | 1 | | Portal 2
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| 413. | Portal 2 Workshop - Interaction with Everything Part 1 | 1 | | Portal 2
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| 414. | Portal 2 Workshop - Binary Labs 1: Circuits, and 2: Optics | 1 | | Portal 2
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| 415. | Portal 2 Workshop - Old Portal Season 2 Chambers 24 and 25 | 1 | | Portal 2
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| 416. | Portal 2 Workshop - Time Travel Concept Puzzles | 1 | | Portal 2
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| 417. | Portal 2 Workshop - Linearity | 1 | | Portal 2
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| 418. | Portal 2 Workshop - 12 Angry Tests Parts 5 and 6 | 1 | | Portal 2
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| 419. | Portal 2 Workshop - Tornate: Cluster | 1 | | Portal 2
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| 420. | Portal 2 Workshop - Time Zones | 1 | | Portal 2
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| 421. | Portal 2 Workshop - Solitariness and Gravity Gun Test | 1 | | Portal 2
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| 422. | Portal 2 Workshop - Old Portal Season 3 Chambers 32 and 33 | 1 | | Portal 2
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| 423. | Portal 2 Workshop - Renewed Test Initiative #1-3 | 1 | | Portal 2
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| 424. | Portal 2 Workshop - Obliteration | 1 | | Portal 2
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| 425. | Portal 2 Workshop - Bobby Corp. Test #05 | 1 | | Portal 2
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| 426. | Portal 2 Workshop - Advancement #1 and 2 | 1 | | Portal 2
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| 427. | Portal 2 Workshop - Old Portal Chamber 38 | 1 | | Portal 2
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| 428. | Portal 2 Workshop - Up and Down (Advanced Series) | 1 | | Portal 2
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| 429. | Portal 2 Workshop - Extrude | 1 | | Portal 2
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| 430. | Portal 2 Workshop - So Close and Yet So Far | 1 | | Portal 2
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| 431. | Portal 2 Workshop - A Different Way of Momentum | 1 | | Portal 2
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| 432. | Portal 2 Workshop - Bobby Corp. Test #03 and 04 | 1 | | Portal 2
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| 433. | Portal 2 Workshop - Verticular | 1 | | Portal 2
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| 434. | Portal 2 Workshop - Perception and Push | 1 | | Portal 2
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| 435. | Portal 2 Workshop - Designed for Danger Parts 7 and 8 | 1 | | Portal 2
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| 436. | Portal 2 Workshop - This is Probably Too Easy! Bridge Enlightenment | 1 | | Portal 2
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| 437. | Portal 2 Workshop - Renewed Test Initiative #4 and 5 | 1 | | Portal 2
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| 438. | Portal 2 Workshop - Friend Zone | 1 | | Portal 2
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| 439. | Portal 2 Workshop - Lost Potential | 1 | | Portal 2
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| 440. | Portal 2 Workshop - Up and Down Story Part 3 | 1 | | Portal 2
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| 441. | Portal 2 Workshop - Shuffle and Chandelier | 1 | | Portal 2
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| 442. | Portal 2 Workshop - The Lobbyist 4 | 1 | | Portal 2
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| 443. | Portal 2 Workshop - Old Portal Season 3 Chambers 34-36 | 1 | | Portal 2
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| 444. | Portal 2 Workshop - Old Portal Season 2 Chambers 67-69 | 1 | | Portal 2
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| 445. | Portal 2 Workshop - Decay Part 2 | 1 | | Portal 2
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| 446. | Portal 2 Workshop - Defiance Part 1 | 1 | | Portal 2
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| 447. | Portal 2 Workshop - A Warm Test #1 | 1 | | Portal 2
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| 448. | Portal 2 Workshop - Multiplex Velocity | 1 | | Portal 2
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| 449. | Portal 2 Workshop - Old Portal Season 2 Chambers 59 and 60 | 1 | | Portal 2
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| 450. | Portal 2 Workshop - Old Portal Season 2 Chambers 39 and 40 | 1 | | Portal 2
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| 451. | Portal 2 Workshop - Think and Win 3 | 1 | | Portal 2
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| 452. | Portal 2 Workshop - Old Portal Season 2 Chambers 21-23 | 1 | | Portal 2
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| 453. | Portal 2 Workshop - Static Pressure Intermediate and Frankie is Too Slow! | 1 | | Portal 2
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| 454. | Portal 2 Workshop - Tubes | 1 | | Portal 2
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| 455. | Portal 2 Workshop - Moonbase Luna-C 01 and 02 | 1 | | Portal 2
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| 456. | Portal 2 Workshop - Into the Multiverse Part 7 | 1 | | Portal 2
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| 457. | Portal 2 Workshop - Stuck | 1 | | Portal 2
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| 458. | Portal 2 Workshop - Into the Multiverse Part 4 | 1 | | Portal 2
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| 459. | Portal 2 Workshop - Old Portal Chamber 18 | 1 | | Portal 2
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| 460. | Portal 2 Workshop - A Warm Test #6 (Retry) | 1 | | Portal 2
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| 461. | Update Video #22 - Switching Portal Series For a While | 2 | Vlog | Portal 2
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| 462. | Portal 2 Workshop - Companion Transferral | 1 | | Portal 2
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| 463. | Portal 2 Workshop - Sendificate Part 1 | 1 | | Portal 2
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| 464. | Portal 2 Workshop - Bridge Barriers | 1 | | Portal 2
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| 465. | Portal 2 Workshop - Intrepid | 1 | | Portal 2
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| 466. | Portal 2 - E01 "What a Wake Up Call!" | 1 | | Portal 2
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| 467. | Portal 2 Workshop - Renewed Test Initiative #8 and 9 | 1 | | Portal 2
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| 468. | Portal 2 Workshop - Verteron 2 | 1 | | Portal 2
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| 469. | Portal 2 Workshop - Old Portal Season 2 Chambers 65 and 66 | 1 | | Portal 2
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| 470. | Portal 2 Workshop - 12 Angry Tests Part 7 | 1 | | Portal 2
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| 471. | Portal 2 Workshop - Moonbase Luna-C 03: One Small Step | 1 | | Portal 2
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| 472. | Portal 2 Workshop - The Bounce House | 1 | | Portal 2
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| 473. | Portal 2 Workshop - Cave Johnson's (Amalgamation!) | 1 | | Portal 2
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| 474. | Portal 2 Workshop - Wheatley's Reprisal Part 2 | 1 | | Portal 2
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| 475. | Portal 2 Workshop - CubeBetcha | 1 | | Portal 2
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| 476. | Portal 2 Workshop - How Does One Catch a Laser Exactly? | 1 | | Portal 2
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| 477. | Portal 2 Workshop - Actinium Part 4 | 1 | | Portal 2
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| 478. | Portal 2 Workshop - Quantum Entanglement 2 | 1 | | Portal 2
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| 479. | Portal 2 Workshop - The Turret Combat Initiative (Co-op) | 1 | | Portal 2
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| 480. | Portal 2 Workshop - Old Portal Season 2 Chambers 00-04 | 1 | | Portal 2
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| 481. | Portal Revolution - E01 "Human Emergency Response Team Tryouts" | 1 | | Portal 2
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| 482. | Portal 2 Workshop - Old Portal Chambers 54 and 55 | 1 | | Portal 2
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| 483. | Portal 2 Workshop - Binary Labs 5: Fields and Funnels | 1 | | Portal 2
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| 484. | Portal 2 Workshop - Old Portal Chambers 49 and 50 | 1 | | Portal 2
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| 485. | Portal Revolution - E03 "Gel Troubles" | 1 | | Portal 2
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| 486. | Portal 2 Workshop - R2: Where to Begin? | 1 | | Portal 2
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| 487. | Portal 2 Workshop - The Long Way Around 5 | 1 | | Portal 2
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| 488. | Portal 2 Workshop - Old Portal Chambers 26 and 27 | 1 | | Portal 2
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| 489. | Portal 2 Workshop - Sendification #7 and 8 | 1 | | Portal 2
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| 490. | Portal 2 Workshop - The Order of Things 05 (Co-op) | 1 | | Portal 2
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| 491. | Portal 2 Workshop - Toxocariasis | 1 | | Portal 2
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| 492. | Portal 2 Workshop - The Long Way Around 3 and 4 | 1 | | Portal 2
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| 493. | Portal 2 Workshop - Old Portal Season 2 Chambers 62 and 64 | 1 | | Portal 2
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| 494. | Portal 2 Workshop - Old Portal Chambers 44 and 46 | 1 | | Portal 2
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| 495. | Portal 2 Workshop - Vector Preservation v1.1 | 1 | | Portal 2
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| 496. | Portal 2 Workshop - Old Portal Chamber 37 | 1 | | Portal 2
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| 497. | Portal 2 Workshop - A Friendly Game of Futbol | 1 | | Portal 2
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| 498. | Portal 2 Workshop - Underground | 1 | | Portal 2
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| 499. | Portal 2 Workshop - Actinium Part 6 | 1 | | Portal 2
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| 500. | Portal 2 Workshop - The Pursuit | 1 | | Portal 2
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