| 1. | Black Mesa Livestream + Giveaway (Joined by Crowbar Collective Developers!) | 0 | | Black Mesa
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| 2. | LambdaGeneration Live Stream | 0 | |
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| 3. | A Decade of Half-Life 2 - Live 24 Hour Playthrough - Part 1 | 13 | Let's Play | Half-Life 2
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| 4. | Portal Board Game Livestream (Guest hosted by Dombobomb) | 16 | |
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| 5. | Portal 2 at PAX 2011 HD | 26 | | Portal 2
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| 6. | Transmissions : Element 120 - Launch Trailer | 29 | Preview |
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| 7. | Second Hazardous Course - Release Trailer | 30 | Preview | Half-Life
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| 8. | An Interview, A MOD, and an E3 Rumor! - 60 Seconds of Lambda (5/21/15) | 31 | |
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| 9. | LambdaGeneration's Christmas 2011 Special | 33 | |
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| 10. | Announcement: A Decade of Half-Life 2 - Live 24 Hour Playthrough | 33 | Let's Play | Half-Life 2
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| 11. | Community Spotlight: Radioactive-Decay | 34 | | Minecraft
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| 12. | LambdaGeneration's Christmas 2014 Special | 34 | |
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| 13. | LambdaGeneration's Christmas 2013 Special | 36 | |
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| 14. | Expo Decay - Release Trailer | 41 | | Half-Life
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| 15. | Let's Play Lost Industry 2 & Lovac: 2063! - Lambda Live #9 (May 18 2020) | 41 | | Half-Life 2
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| 16. | Black Mesa Comes to Steam, Speed Runs and More! - 60 Seconds of Lambda (5/5/15) | 41 | | Black Mesa
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| 17. | Exclusive Jurassic Life Developer Interview! - Lamdba Live #4 (Nov 10 2019) | 47 | | Half-Life 2
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| 18. | LambdaGeneration's Christmas 2012 Special | 47 | |
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| 19. | The Evolution of Train | 48 | | Counter-Strike 2
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| 20. | The Second Map Labs "Half-Life: Abridged" Playthrough Stream! - Lambda Live #2.5 (Aug 14 2019) | 50 | | Half-Life
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| 21. | Watch All Things Lambda Being Made LIVE! - Lambda Live #7 (Feb 13 2020) [SPOILERS] | 53 | | Half-Life
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| 22. | Let's Play Some G String! - Lambda Live #10 (October 18 2020) | 53 | Let's Play | G String
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| 23. | Half-Life 2 : MMod - Teaser Trailer | 56 | Preview | Half-Life 2
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| 24. | Black Mesa - Steam Launch Trailer | 59 | Preview | Black Mesa
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| 25. | Half-Life: Alyx - First 40 minutes (Spoilers) | 60 | | Half-Life: Alyx
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| 26. | Entropy Zero - Official Trailer (Out Now!) | 62 | Preview | Half-Life 2
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| 27. | Half-Life Advent Calendar + Tutorial | 63 | |
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| 28. | Thunder`s Leaves - Demo Trailer | 65 | Preview | Half-Life 2
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| 29. | Lego Portal, Half-Life Movie Ruse, RaiseTheBarVille and More! - 60 Seconds of Lambda (5/11/15) | 65 | | Half-Life
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| 30. | INFRA - Official Trailer | 67 | Preview | Half-Life
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| 31. | Playing Left 4 Dead 2 with some friends! - Lambda Live #21 (April 30 2023) | 69 | | Left 4 Dead 2
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| 32. | Join in peeps we're playing MORE Swelter! | 69 | | Half-Life 2
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| 33. | Playing on our Garry's Mod servers with YOU! - Lambda Live #22 (June 03 2023) | 73 | | Garry's Mod
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| 34. | Half-Life Deathmatch Gamenight! | 74 | | Half-Life
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| 35. | Let's play LambdaBuilds 4: "Tundra"! - Lambda Live #20 (March 21st 2023) | 75 | Let's Play | Half-Life 2
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| 36. | The Map Labs "Half-Life: Abridged" Playthrough Stream! - Lambda Live #2 (Aug 9 2019) | 76 | | Half-Life
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| 37. | Let's bring that Purple Hat to Xen! [PART 1] - Lambda Live #14 (January 1 2022) (Black Mesa Stream) | 78 | | Black Mesa
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| 38. | From Earth - Teaser Trailer (Free Half-Life 2 Mod) | 80 | Preview | Half-Life 2
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| 39. | Possible Footage From Valve's Unannounced "SOB" Game from Gray Horsfield | 81 | |
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| 40. | Rustlers All Day Breakfast "Sausage Muffin" - LambdaGeneration Foods #1 | 84 | | Half-Life 2
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| 41. | Half-Life: Alyx JUST LAUNCHED! | 87 | | Half-Life: Alyx
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| 42. | Black Mesa Deathmatch Gamenight! | 88 | | Black Mesa
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| 43. | Prospekt - Steam Pre-Release Trailer | 91 | Preview | Half-Life 2
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| 44. | Spyro Meets Half-Life, Gordon Freeman Collectable News and More - All Things Lambda (Jul 26 2018) | 91 | | Half-Life
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| 45. | The Evolution of Aztec | 91 | | Counter-Strike
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| 46. | New Gordon Freeman Collectable, Half-Life World Record and More - All Things Lambda (Jul 19 2018) | 91 | | Half-Life
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| 47. | Let's play LambdaBuilds 3: "Escape from Black Mesa" and GIVE AWAY SOME BLACK MESA KEYS! | 103 | Let's Play | Black Mesa
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| 48. | Interview With Prospekt Developer Richard Seabrook | 103 | | Half-Life 2
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| 49. | Half-Life: Alyx - Announcement Trailer | 103 | Preview | Half-Life
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| 50. | Join in peeps we're playing Swelter! - Lambda Live #23 (July 1st 2023) | 105 | | Half-Life 2
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| 51. | An Early Access Exclusive Demo Playthrough of Portal 2: Abyss! - Lambda Live #3 (Oct 11 2019) | 107 | | Portal 2
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| 52. | Half-Life: Echoes Released, Resident Evil in Source and More - All Things Lambda (Aug 16 2018) | 108 | | Half-Life
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| 53. | Let's play some Entropy: Zero 2! - Lambda Live #18 (September 8th 2022) | 109 | | Half-Life 2
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| 54. | Half-Life: Google Translate Edition! - Lambda Live #6 (Feb 7 2020) | 113 | | Half-Life
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| 55. | Let's play Half-Life: Blue Shift with Tripmine Studios & fans! - Lambda Live #12 (June 26 2021) | 116 | | Half-Life
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| 56. | Black Mesa: Azure Sheep - Demo Trailer | 117 | Preview | Black Mesa
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| 57. | Let's play Half-Life 2: What Remains! - Lambda Live #11 (June 12 2021) | 119 | | Half-Life 2
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| 58. | Halfquake Rebirth: Part 1 - Exclusive Teaser | 120 | | Half-Life
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| 59. | Lovac: 2063 - Official Trailer | 122 | | Half-Life 2
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| 60. | Uplink Gets Black Mesa Overhaul, Half-Life Goes RTS and More - All Things Lambda (Jul 12 2018) | 122 | | Half-Life
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| 61. | New Half-Life Steam Page, Epistle 3 RPG Game and More - All Things Lambda (Aug 9 2018) | 123 | | Half-Life
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| 62. | Let's play our first mapping competition! - Lambda Live #16 (April 9th 2022) | 127 | | Half-Life 2
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| 63. | Half-Life 2: MMod - Trailer | 128 | Preview | Half-Life 2
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| 64. | Early Black Mesa Images, Episode 3 Fan Art, Valve Hacked and More - All Things Lambda (Jul 5 2018) | 129 | Show | Half-Life
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| 65. | Year Long Alarm - Steam Release Trailer | 131 | Preview | Half-Life 2
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| 66. | Playing Through The New Xen Beta Update Live! - Lambda Live #1 (Aug 2 2019) | 133 | | Black Mesa
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| 67. | Let's play through Black Mesa: Blue Shift Chapter 3! | 140 | Let's Play | Black Mesa
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| 68. | Entropy: Zero 2 - Exclusive Teaser | 141 | | Entropy : Zero
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| 69. | We Interviewed Boreal Alyph Developers! - Lambda Live #8 (Feb 19 2020) | 145 | | Half-Life 2
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| 70. | HL: Alyx Workshop Launches, RTB:R Chapter 1 Releases and More - All Things Lambda (May 21 2020) | 145 | | Half-Life: Alyx
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| 71. | Prospekt Update, Blue Shift Comes to PS2 and More - All Things Lambda (Aug 23 2018) | 147 | Vlog | Half-Life
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| 72. | A different take on Half-Life: Uplink! | 153 | | Half-Life
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| 73. | New Entropy: Zero 2 Teaser, Mapbase 5.0 Released and More - All Things Lambda (Aug 20 2020) | 153 | | Half-Life 2
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| 74. | Black Mesa Livestream with the Crowbar Collective Developers | 155 | | Black Mesa
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| 75. | Cosmonaut - Launch Trailer | 161 | Preview | Half-Life 2
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| 76. | So, how does Gordon Freeman celebrate Christmas? | 170 | | Half-Life
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| 77. | Half-Life: Alyx Released, Raising The Bar: Redux Update and More - All Things Lambda (Mar 26 2020) | 162 | Vlog | Half-Life: Alyx
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| 78. | Half-Life Spyro Mod Released, Azure Sheep Remake Update and More - All Things Lambda (Nov 8 2018) | 162 | Vlog | Half-Life
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| 79. | CS:GO And TF2 Source Code Leaked, Bear Party on Steam and More - All Things Lambda (Apr 23 2020) | 163 | | Counter-Strike 2
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| 80. | Half-Life: Alyx Soundtrack Released, Black Mesa did FAQ and More - All Things Lambda (May 14 2020) | 164 | | Half-Life: Alyx
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| 81. | Cosmonaut - Trailer | 164 | Preview | Half-Life 2
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| 82. | Mobility Mod - Trailer | 167 | | Half-Life 2
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| 83. | Half-Life: Alyx Anniversary, Map Labs Takes On Crossfire & More - All Things Lambda (Mar 25 2021) | 168 | | Half-Life: Alyx
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| 84. | Jurassic Life Goes Standalone, RTB:R Update and More - All Things Lambda (Jun 11 2020) | 170 | Vlog | Half-Life 2
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| 85. | We're doing our very own Mapping Competition! - LambdaBuilds Announcement | 172 | | Half-Life 2
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| 86. | SourceRuns Beats EP2 In 25 Minutes, Project Shooter for HL:A & More - All Things Lambda (Mar 4 2020) | 173 | | Half-Life 2
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| 87. | Epic Half-Life Fan Art, Raising the Bar Redux Update and More - All Things Lambda (Oct 4 2018) | 174 | Vlog | Half-Life
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| 88. | Lost Industry 2 Releases Today, Hostile Takeover Artwork and More - All Things Lambda (Apr 30 2020) | 175 | | Half-Life 2
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| 89. | Black Mesa Is Released, HL Soundtrack Now Streamable and More - All Things Lambda (Mar 12 2020) | 175 | | Black Mesa
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| 90. | Starlight - Trailer | 175 | Preview |
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| 91. | Steam Library Beta Is Out, Lost Industry 2 Media Update and More - All Things Lambda (Sep 19 2019) | 176 | Vlog | Half-Life
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| 92. | HL: Alyx Custom Campaigns, Lost Industry: Origins Update & More - All Things Lambda (Oct 22 2020) | 176 | Vlog | Half-Life
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| 93. | Decay Solo Mission Demo Released, New Starlight Screenshots & More - All Things Lambda (Jan 28 2021) | 176 | | Half-Life
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| 94. | Operation: Black Mesa Update, New Half-Life 2 World Record and More - All Things Lambda (Aug 2 2018) | 177 | Vlog | Half-Life
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| 95. | HL Year Of The Dragon Update, NEOTOKYO Gets Singleplayer Mod & More - All Things Lambda (Dec 3 2020) | 177 | Vlog | Half-Life 2
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| 96. | Valve's Cloud Step, Azure Sheep: Part One Released and More - All Things Lambda (Nov 4 2019) | 179 | | Half-Life
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| 97. | Lost Industry 2 - Exclusive Gameplay Teaser! | 180 | | Half-Life 2
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| 98. | Canceled Half-Life 2 Episode "Ravenholm" Revealed and More - All Things Lambda (May 28 2020) | 181 | Show | Half-Life 2
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| 99. | TWHL Tower 2 Released, New BM: Azure Sheep Update & More - All Things Lambda (Nov 19 2020) | 181 | Vlog | Half-Life
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| 100. | Gabe Newell Talks Brain Computing, Mapbase 6.2 Released & More - All Things Lambda (Feb 4 2021) | 182 | | Half-Life: Alyx
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