| 2024-03-03 |  Natal Plays Games | Natal Plays LightMatter | 3:35:52 | 1 |
| 2023-10-08 | Anti-HyperLinkLive | Back to Lightmatter (Full Game was on sale) | 54:22 | 2 |
| 2023-08-21 | Anti-HyperLinkLive | Portal but with shadows that dissolve flesh and bones | 50:52 | 0 |
| 2023-08-20 | Anti-HyperLinkLive | Lightmatter WITH THE GAME ACTUALLY FUCKYOUTUBEING SHOWING! | 1:17:43 | 1 |
| 2023-08-20 | Anti-HyperLinkLive | Light... matters | 14:18 | 3 |
| 2021-10-22 | Beefy Thiefy | Lightmatter - Part 02 - Rivals of Aperture | 14:09 | 5 |
| 2021-10-18 | Beefy Thiefy | Spook-Tacular 5 - Lightmatter | 9:16 | 3 |
| 2021-08-30 | TechFirst with John Koetsier | Photonic computing questions answered: Lightmatter CEO | 24:28 | 7,965 |
| 2021-07-22 | riskRED LIVE | This is a TRIPPY Puzzle Game | PRIME GAMES [July 18th, 2021] | 3:34:52 | 7 |
| 2021-07-22 | SideCatalyst stream archives | [Stream VOD] Lightmatter (Part 2, Finale) | 3:14:32 | 4 |
| 2021-07-16 | SideCatalyst stream archives | [Stream VOD] Lightmatter (Part 1) | 2:09:47 | 5 |
| 2021-05-22 | edgeofthefreak | Lightmatter - s01e01 | 3:03:06 | 0 |
| 2021-03-01 | Zahait | Both Endings + 100% Achievements - Lightmatter - Episode 5 | 31:03 | 73 |
| 2021-02-26 | Zahait | Big Red Button - Lightmatter - Episode 4 | 28:23 | 13 |
| 2021-02-24 | Zahait | I'm a Wizard - Lightmatter - Episode 3 | 27:08 | 13 |
| 2021-02-22 | Zahait | I am the Safety - Lightmatter - Episode 2 | 30:00 | 15 |
| 2021-02-20 | Zahait | Lightmatter - Let's Play - Episode 1 | 30:53 | 39 |
| 2021-02-11 | Glitchboss420 | Lightmatter | GTX 750Ti 2GB + i5-3450 + 8GB RAM | 19:02 | 9 |
| 2021-01-14 | MissehsJune | Lightmatter - Full Game | 2:39:51 | 2 |
| 2020-11-26 | Glitchboss420 | Lightmatter | RTX 2060 6GB + i7-6700 + 16GB RAM | 22:50 | 10 |
| 2020-10-12 | Jckle More | Puzzles but with LIGHT! | Lightmatter Part 2 *END* | 1:50:13 | 0 |
| 2020-10-12 | Jckle More | Puzzles but with LIGHT | Lightmatter | PC #1 | 2:09:26 | 1 |
| 2020-09-16 | Glitchboss420 | Lightmatter Gameplay (PC) | 1080p60 | 20:20 | 8 |
| 2020-09-03 | EricKuma Game | Big Brain Time | LightMatter | 13:25 | 5 |
| 2020-09-02 | EricKuma Game | Portal But With Light?! | LightMatter | 30:33 | 8 |
| 2020-07-27 | Glitchboss420 | Lightmatter | GTX 950 2GB + i5-2310 + 12GB RAM | 22:21 | 2 |
| 2020-05-08 | Glitchboss420 | Lightmatter | GTX 980 4GB + i7-6700 + 16GB RAM | 19:39 | 4 |
| 2020-03-05 | tehMorag | Lightmatter - All puzzles complete - Part 3 | 52:33 | 10 |
| 2020-03-05 | DragoNate | Is humanity doomed or saved? Lightmatter part 6 | 33:45 | 14 |
| 2020-03-01 | Indurok | FUN IS DECLINED BEYOND THIS POINT | Lightmatter (Free Trial) #4 [END] | 12:11 | 4 |
| 2020-02-29 | DragoNate | Try not to get angry Lightmatter part 5 | 40:47 | 12 |
| 2020-02-29 | Indurok | ROTATION ILLUMINATION | Lightmatter (Free Trial) #3 | 14:45 | 5 |
| 2020-02-28 | Indurok | LIGHT THE WAY | Lightmatter (Free Trial) #2 | 14:30 | 3 |
| 2020-02-27 | Indurok | SHADOWS CAN KILL | Lightmatter (Free Trial) #1 | 16:02 | 2 |
| 2020-02-15 | DragoNate | I found the cat in Lightmater part 4 | 34:50 | 78 |
| 2020-02-11 | DragoNate | These puzzles make me HMMMM Lightmatter part 3 | 35:08 | 15 |
| 2020-02-04 | StephenFlagg | One-Shot - Lightmatter | 26:58 | 9 |
| 2020-02-03 | James Karet | Light your way or die!!!! - Lightmatter part 1 (No Talking) | 17:59 | 23 |
| 2020-01-26 | DailyVariety | 29 Minutes of "Lightmatter" Gameplay! | 29:21 | 2 |
| 2020-01-22 | Glitchboss420 | Lightmatter | GTX 1050Ti 4GB + i5-2310 + 12GB RAM | 20:17 | 15 |
| 2020-01-21 | JOAG | Lightmatter - Walkthrough: Part 2 - Darkside - Ending - No commentary | 1:33:17 | 307 |
| 2020-01-20 | Glitchboss420 | Lightmatter | GTX 770 2GB + i5-3450 + 8GB RAM | 19:00 | 9 |
| 2020-01-19 | JOAG | Lightmatter - Walkthrough: Part 1 - Welcome to Aperture Sc.. Black Mesa? Where am i? - No commentary | 1:36:04 | 76 |
| 2020-01-16 | DragoNate | Is that a Portal reference? Lightmatter part 2 | 13:31 | 49 |
| 2020-01-16 | Jon Renish | Steam Cleaning - Lightmatter | 47:46 | 13 |
| 2020-01-15 | DragoNate | The shadows swallow you in Lightmatter part 1 | 17:04 | 41 |
| 2020-01-15 | Rubhen925 | LIGHTMATTER Gameplay Walkthrough Part 1 - No Commentary [PC 1080p] | 1:11:17 | 28,761 |
