| 1. | Gareth Plays: Portal with RTX (Portal's Never Looked This Good? + I Try The No Jump Challenge!) | 1:15:48 | Let's Play | Portal
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| 2. | Gareth Plays: Portal 'Re-Walkthrough' (Full Uncut) | 1:04:12 | Let's Play | Portal
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| 3. | Gareth and James Play: ERROR (A Great Psychological Horror Mod For Portal 1!?) | 1:03:05 | Vlog | Portal
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| 4. | Hammer Tutorial 10 - Combine Ball Launcher and Catcher | 40:53 | Tutorial | Portal
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| 5. | Gareth Plays: Portal Prospekt Playthrough [Nova Prospekt Themed Portal Mod!] | 39:24 | Let's Play | Portal
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| 6. | Hammer Tutorial 8 - Portal's Introductory Clock Timer | 35:07 | Tutorial | Portal
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| 7. | Hammer Tutorial 22 - Setting Up Portal Test Chamber Signs (& Using Blender To Make Custom Signs!) | 34:30 | Tutorial | Portal
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| 8. | Portal RANDOMIZED! [Full] | 33:59 | | Portal
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| 9. | Hammer Tutorial 29 - Box Dropper From Portal 1 As A func_instance | 29:51 | Tutorial | Portal
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| 10. | Looking At My Old Portal Maps From 2012! | 23:28 | | Portal
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| 11. | Gareth Plays: Portal 64 (Playing a Cancelled Demake?) | 22:45 | Let's Play | Portal
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| 12. | Hammer Tutorial 17 - portal_blocker And full_blocker Custom Emancipation Field Ideas For Portal 1 | 16:09 | Tutorial | Portal
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| 13. | Early Portal Advanced Maps in Portal with RTX | 12:55 | | Portal
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| 14. | Hammer Tutorial 11 - func_movelinear Replacement for Elevators | 11:51 | Tutorial | Portal
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| 15. | PORTAL.EXE | 11:16 | | Portal
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| 16. | Hammer Tutorial 32 - Logic Gates | 10:09 | Vlog | Portal
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| 17. | Hammer Tutorial 9 - phys_blocker (Custom Emancipation Field Idea) | 8:48 | Tutorial | Portal
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| 18. | Hammer Tutorial 31 - Adding Dynamic Light to a Portal Turret | 8:24 | Tutorial | Portal
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| 19. | Hammer Tutorial 12 - logic_case For Pseudorandom Level Choices | 6:16 | Vlog | Portal
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| 20. | Getting Started With Portal with RTX Mapping! | 6:11 | | Portal
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| 21. | Portal Walkthrough Chapter 1 - The Basics | 6:04 | Walkthrough | Portal
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| 22. | Portal 1 - devtest & devtest_01 Showcase | 5:25 | | Portal
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| 23. | Portal Walkthrough Chapter 2 - Unmonitored areas... | 4:47 | Walkthrough | Portal
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| 24. | Portal Walkthrough Chapter 3 - What Cake? | 4:26 | Walkthrough | Portal
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| 25. | Thermal Discouragement Beam in Portal 1 (Test Examples) | 4:00 | | Portal
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| 26. | Portal 1 - func_liquidportal Showcase | 1:06 | Show | Portal
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| 27. | How I Added The Thermal Discouragement Beam To Portal 1 (Christmas 2024 Special) | 0:00 | | Portal
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