| 1. | Kerbal Space Program | 163,762,633 | 27.79% | 872 | 15:15:13:39 |
| 2. | Elite: Dangerous | 9,861,243 | 1.67% | 67 | 1:02:31:42 |
| 3. | EVE Online | 9,838,176 | 1.67% | 53 | 17:38:38 |
| 4. | Star Citizen | 4,094,679 | 0.69% | 42 | 14:05:02 |
| 5. | Kerbal Space Program 2 | 2,622,458 | 0.45% | 8 | 3:53:11 |
| 6. | Xenonauts | 2,385,431 | 0.40% | 33 | 12:31:08 |
| 7. | Orbiter | 1,645,023 | 0.28% | 3 | 54:34 |
| 8. | Take On Mars | 1,506,723 | 0.26% | 15 | 7:14:09 |
| 9. | Call of Duty: Infinite Warfare | 1,143,845 | 0.19% | 2 | 27:47 |
| 10. | XCOM 2 | 1,042,368 | 0.18% | 37 | 15:03:17 |
| 11. | No Man's Sky | 993,857 | 0.17% | 7 | 2:06:18 |
| 12. | Stellaris | 954,876 | 0.16% | 33 | 12:12:00 |
| 13. | Shenzhen I/O | 920,860 | 0.16% | 16 | 5:28:42 |
| 14. | Universe Sandbox | 848,876 | 0.14% | 4 | 1:05:58 |
| 15. | Angels Fall First | 634,378 | 0.11% | 1 | 16:33 |
| 16. | Stellaris | 577,706 | 0.10% | 30 | 11:25:35 |
| 17. | Papers, Please | 479,702 | 0.08% | 13 | 5:30:39 |
| 18. | Planet Explorers | 429,677 | 0.07% | 3 | 1:34:57 |
| 19. | The Atlas | 428,447 | 0.07% | 1 | 11:05 |
| 20. | Surviving Mars | 412,946 | 0.07% | 7 | 2:09:12 |
| 21. | Alien: Isolation | 409,989 | 0.07% | 5 | 2:55:02 |
| 22. | Space Engineers | 408,288 | 0.07% | 4 | 1:19:45 |
| 23. | Homeworld Remastered | 397,931 | 0.07% | 3 | 52:02 |
| 24. | Freelancer | 380,288 | 0.06% | 11 | 3:49:53 |
| 25. | Constellation | 348,554 | 0.06% | 1 | 17:44 |
| 26. | Rogue System | 347,056 | 0.06% | 3 | 1:08:01 |
| 27. | Surgeon Simulator | 339,038 | 0.06% | 2 | 1:14:54 |
| 28. | Spacebase DF-9 | 333,798 | 0.06% | 8 | 3:48:51 |
| 29. | RimWorld | 327,719 | 0.06% | 8 | 5:29:34 |
| 30. | Star Wars: TIE Fighter | 324,121 | 0.06% | 2 | 41:14 |
| 31. | Outer Wilds | 309,248 | 0.05% | 4 | 1:54:19 |
| 32. | Interplanetary | 308,373 | 0.05% | 1 | 26:39 |
| 33. | Battlefleet Gothic: Armada | 303,581 | 0.05% | 2 | 47:53 |
| 34. | X Rebirth | 297,747 | 0.05% | 7 | 3:21:31 |
| 35. | PlanetSide | 286,473 | 0.05% | 2 | 28:40 |
| 36. | Homeworld | 279,430 | 0.05% | 7 | 2:08:51 |
| 37. | Empyrion Galactic Survival | 274,687 | 0.05% | 1 | 20:10 |
| 38. | Plague Inc: Evolved | 272,408 | 0.05% | 1 | 20:45 |
| 39. | Star Conflict | 270,320 | 0.05% | 5 | 1:48:39 |
| 40. | Exapunks | 252,499 | 0.04% | 11 | 4:03:09 |
| 41. | TIS-100 | 233,623 | 0.04% | 1 | 16:13 |
| 42. | Starflight | 231,332 | 0.04% | 9 | 3:35:37 |
| 43. | Duskers | 224,228 | 0.04% | 3 | 2:14:54 |
| 44. | Crusader Kings II | 223,241 | 0.04% | 4 | 3:03:36 |
| 45. | The Long Dark | 213,777 | 0.04% | 4 | 2:26:32 |
| 46. | Infinity: Battlescape | 205,710 | 0.03% | 2 | 23:06 |
| 47. | X3: Albion Prelude | 200,804 | 0.03% | 7 | 2:43:48 |
| 48. | Mass Effect: Andromeda | 200,081 | 0.03% | 1 | 8:39 |
| 49. | Infinifactory | 191,205 | 0.03% | 2 | 39:52 |
| 50. | Lunar Flight | 187,651 | 0.03% | 5 | 1:02:07 |
| 51. | FTL: Faster Than Light | 184,202 | 0.03% | 7 | 3:26:01 |
| 52. | Avorion | 180,567 | 0.03% | 1 | 19:48 |
| 53. | Starbound | 174,143 | 0.03% | 3 | 1:00:57 |
| 54. | Go For Launch: Mercury | 171,153 | 0.03% | 1 | 12:16 |
| 55. | Rise of Flight: The First Great Air War | 170,703 | 0.03% | 1 | 19:36 |
| 56. | Battlestar Galactica | 170,557 | 0.03% | 5 | 1:08:51 |
| 57. | X-Plane | 169,570 | 0.03% | 1 | 10:54 |
| 58. | Everspace | 169,303 | 0.03% | 4 | 1:32:57 |
| 59. | Into the Stars | 168,984 | 0.03% | 2 | 45:29 |
| 60. | Meteorites | 165,966 | 0.03% | 1 | 5:07 |
| 61. | Minecraft | 165,159 | 0.03% | 3 | 50:23 |
| 62. | Starpoint Gemini Warlords | 161,823 | 0.03% | 2 | 1:07:13 |
| 63. | Buzz Aldrin's Space Program Manager | 160,260 | 0.03% | 2 | 1:00:16 |
| 64. | Elite | 157,068 | 0.03% | 1 | 18:00 |
| 65. | Nexus: The Jupiter Incident | 152,867 | 0.03% | 4 | 1:31:29 |
| 66. | I Am Bread | 150,604 | 0.03% | 3 | 22:50 |
| 67. | Rebel Galaxy | 148,810 | 0.03% | 2 | 2:04:21 |
| 68. | Cadillacs and Dinosaurs: The Second Cataclysm | 148,128 | 0.03% | 1 | 6:29 |
| 69. | Reentry - An Orbital Simulator | 144,235 | 0.02% | 1 | 15:32 |
| 70. | Star Wars: Squadrons | 136,699 | 0.02% | 1 | 17:41 |
| 71. | Star Trek: 25th Anniversary | 136,656 | 0.02% | 4 | 2:03:28 |
| 72. | Hardspace: Shipbreaker | 133,717 | 0.02% | 1 | 16:32 |
| 73. | Objects in Space | 132,679 | 0.02% | 2 | 30:59 |
| 74. | Space Colony | 126,302 | 0.02% | 1 | 14:31 |
| 75. | Astroneer | 124,999 | 0.02% | 1 | 19:59 |
| 76. | Himawari | 122,838 | 0.02% | 1 | 8:05 |
| 77. | StarMade | 122,272 | 0.02% | 4 | 2:48:39 |
| 78. | House of the Dying Sun | 121,229 | 0.02% | 2 | 46:00 |
| 79. | Return of the Obra Dinn | 120,892 | 0.02% | 2 | 42:44 |
| 80. | Team Fortress 2 | 119,403 | 0.02% | 1 | 9:16 |
| 81. | Battlestar Galactica Deadlock | 118,398 | 0.02% | 1 | 19:00 |
| 82. | Interstellaria | 116,875 | 0.02% | 2 | 36:33 |
| 83. | SimplePlanes | 115,057 | 0.02% | 1 | 17:38 |
| 84. | Pollen | 114,885 | 0.02% | 1 | 50:09 |
| 85. | Strike Suit Zero | 108,395 | 0.02% | 3 | 52:35 |
| 86. | Half-Life 2 | 108,076 | 0.02% | 1 | 30:15 |
| 87. | Phoenix Point | 105,713 | 0.02% | 2 | 38:08 |
| 88. | Uplink | 104,897 | 0.02% | 1 | 18:15 |
| 89. | Gratuitous Space Battles | 103,326 | 0.02% | 2 | 50:54 |
| 90. | 0RBITALIS | 99,719 | 0.02% | 2 | 28:03 |
| 91. | Megaton Rainfall | 99,338 | 0.02% | 1 | 19:49 |
| 92. | Civilization: Beyond Earth | 94,448 | 0.02% | 2 | 3:06:24 |
| 93. | Homeworld: Deserts of Kharak | 93,608 | 0.02% | 1 | 28:48 |
| 94. | Ascent - The Space Game | 91,970 | 0.02% | 1 | 21:36 |
| 95. | Superhot | 91,843 | 0.02% | 2 | 43:28 |
| 96. | Alien Attack | 90,275 | 0.02% | 1 | 15:34 |
| 97. | Starship Corporation | 88,925 | 0.02% | 1 | 24:29 |
| 98. | Pioneer | 86,760 | 0.01% | 1 | 35:49 |
| 99. | Spaceplan | 85,030 | 0.01% | 1 | 15:16 |
| 100. | Descent | 84,756 | 0.01% | 1 | 16:09 |
