| 1. |  Charlie Pryor | 661,032 | THE MARS HORIZON FINALE! - Mars Horizon Gameplay - 38 - Let's Play Mars Horizon Full Game | 59:38 |
| 2. |  Skye Storme | 145,976 | OUTER PLANETS UNLOCKED! - Ep 14 - MARS HORIZON SPACEX Gameplay / Let's Play | 37:12 |
| 3. | Aavak After Hours | 28,927 | Aavak Streams Mars Horizon – Part 14 | 37:48 |
| 4. |  DrProof | 20,675 | Venus Impact ⭐ Let's Play Mars Horizon 4k PC 👑 #004 [Deutsch/German] | 53:51 |
| 5. | The Geek Cupboard | 17,089 | Playing with the Big Rockets! | Mars Horizon - Part 3 (Alpha Build - Space Agency Management Sim) | 43:46 |
| 6. | Raiz Space | 7,625 | Mars Horizon - Japan Playthrough 08 | 35:59 |
| 7. |  Kust Jidding | 6,924 | Let's play Mars Horizon with KustJidding - Episode 110 [END] | 28:52 |
| 8. |  GrunfWorks | 6,498 | Deploying Power Module - Let's Play Mars Horizon - 32 | 41:35 |
| 9. | GPGH Ryan89 | 5,678 | Pluto Flyby - Mars Horizon Gameplay - Japan Let's Play | 24:29 |
| 10. | TIJ Gaming | 4,310 | MULTI-CREW ORBIT | Mars Horizon Let's Play #6 (Beta Gameplay) | 30:10 |
| 11. |  Eric Jeux Qc | 2,266 | Mars Horizon - ép.30 [FR QC] Let's play **Mode Difficile sans sauvegardes manuelles* | 59:27 |
| 12. |  The Beards Quest Notes | 2,221 | Mars Horizon #10 | We Need More Cash | 27:58 |
| 13. | Sim UK Ultimate Realism | 1,944 | Ep.17 Mars Horizon Gameplay on PC [4K-UHD] - The FINAL STAGE of URANUS FLYBY is ERM...IMPOSSIBLE | 16:19 |
| 14. | AveBatTV | 1,891 | Mars Horizon Gameplay 60fps no commentary | 23:38 |
| 15. | Gaming Rules! | 1,692 | Mars Horizon Playthrough - Part 1 | 2:23:29 |
| 16. | ObiVanDamme | 1,647 | Mars Horizon: ESA | Part 17 | ORBITAL EVA (Lets play, Gameplay, Preview) | 23:17 |
| 17. | Edes Lets Plays | 1,536 | Mars Horizon Deutsch | Satellitendorschung ist ein hartes Pflaster | 31:10 |
| 18. | fellpower | 982 | MARS HORIZON #6 ★ WETTLAUF ZUM MARS [Fellpower/Lets Play/Deutsch/1440p/60FPS] | 30:44 |
| 19. | LagunaXP | 923 | Es gibt immer noch etwas zu Erforschen - Let's Play Mars Horizon #71 [DEUTSCH] [HD+] | 14:52 |
| 20. |  Le Clan Stratélite | 770 | Mars Horizon let's play fr #12 On part direction Saturne !! | 32:45 |
| 21. | Space Game Junkie | 662 | Mars Horizon - Humans! In! Space!!! - Let's Play 5/5 | 23:18 |
| 22. |  Kokoplays MB | 615 | Mars Horizon BETA | SPACE PROGRAM WITHOUT KERBALS | Gameplay Showcase - Part 1 | 40:29 |
| 23. | Anglaisefolle plays | 401 | Mars Horizon Part 43 HUMANS ON MARS | 38:47 |
| 24. |  The Scarlet Seeker | 391 | Mars Horizon | Gameplay Overview - Revisit in 2023 | 30:02 |
| 25. | Auroch Digital | 371 | Let's Play Mars Horizon With The UK Space Agency | Festival Of Tomorrow 2021 | 59:51 |
| 26. | HexTree | 332 | Let's Play: Mars Horizon (full Russia playthrough) - Closed Beta | 5:16:58 |
| 27. | Milquetoast Gaming | 266 | Mars Horizon I PC Lets Play I Pluto Bonus | 3:27:32 |
| 28. | Satishu | 246 | Zentriufgen-Modul | Mars Horizon | Ep. 38 | 25:49 |
| 29. | Motzy Gaming | 234 | Mars Horizon Uncut Early Alpha Playthrough | 2:30:42 |
| 30. | EGX | 225 | Can playing games help you get into space? (Mars Horizon) | 39:27 |
| 31. | TheMidcoreGamer | 196 | TheMidcoreGamer Plays Mars Horizon (Beta) (No Commentary Gameplay) | 2:51:36 |
| 32. | PPs Welt | 109 | Der Mars - ENDE - Mars Horizon #42 [Let's Play / Deutsch / German] | 40:27 |
| 33. | AhnungslosTV | 108 | Unser erster Astronaut hat versagt #04 - Mars Horizon Beta (Deutsch, PC, Gameplay) | 22:39 |
| 34. | JoeR247 | 104 | JoeR247 Plays Mars Horizon! - Part 5 - Mission to Mars! | 29:57 |
| 35. | Heuntz Gaming | 104 | Mars Horizon | Let's Play | NASA | Part 06 | 36:58 |
| 36. | OdinsTests | 103 | Angezockt | Mars Horizon [PS4 Pro] [4K] | 20:59 |
| 37. | Jaames Johnson (Sulfurblade) | 77 | Mars Horizon Lets Play Ep.2 | 1:06:36 |
| 38. | Doughnut Doney | 59 | Lets Play: Mars Horizon Ep 2 - Lets get some Rockets Into Space! | 20:04 |
| 39. | RadikusPrime | 56 | Let's Play Mars Horizon First Look First Impression Gameplay steam | 39:18 |
| 40. |  Draconicrose | 53 | Enter the Space Age | Let's Play Mars Horizon Beta - Part 01 | 31:30 |
| 41. | Spielkinder | 48 | Steam Summer Game Festival | Let's Play | Mars Horizon | 1:03:12 |
| 42. | Old Man Gaming UK | 47 | Let's Play Mars Horizon Beta | 59:45 |
| 43. | ManyCopies | 43 | Let's Play Mars Horizon (Demo) - Episode 3 | 32:44 |
| 44. | FRAGXZ Lets Play | 38 | Mars Horizon 🚀 Aufbau der Weltraumagentur (ESA) 🌎👩🚀 #15 | 30:59 |
| 45. | Impossibum Plays | 24 | Mars Horizon - The Race For Space Dominance Is On! - Let's Play PC Gameplay | 33:34 |
| 46. | Sgt_Knumskull | 13 | The NASAest of all the NASAs #6 Final Episode | Mars Horizon | 1st Playthrough | 7:56:05 |
| 47. | Chris Inglis | 11 | Inferno plays Mars Horizon Beta - First look | 40:38 |
| 48. | Let's Play // Best of Toys & Games | 10 | #PlayStation Guide: Mars Horizon - Launch Trailer I PS4 | 1:15 |
| 49. | DauntlessGG | 8 | Dauntless Plays Mars Horizon - Ep2 | 4:50:11 |
| 50. | Ultra | 8 | Mars Horizon |Episode 1| One small step... 🌑 | 52:11 |
| 51. | Jake Fellman | 4 | MARS HORIZON FULL RELEASE! - Mars Horizon Gameplay - 01 - Let's Play Mars Horizon Full Game..} | 5:17 |
| 52. | Rydo | 3 | Mars Horizon 2 The Search for Life 2023 Summer Fest Game | 1:00 |
| 53. | GameNews® | 1 | [Latest] Build your own space agency in Mars Horizon 2's upcoming alpha test | 1:00 |
