| 1. | Bone: Out from Boneville | 98,593 | 26.64% | 6 | 1:12:51 |
| 2. | Portal | 66,963 | 18.10% | 13 | 2:01:28 |
| 3. | Bone: The Great Cow Race | 53,017 | 14.33% | 11 | 2:02:50 |
| 4. | Runaway, The Dream of The Turtle | 28,495 | 7.70% | 38 | 8:26:41 |
| 5. | Back to the Future: The Game | 26,216 | 7.08% | 52 | 9:01:49 |
| 6. | Left 4 Dead | 18,699 | 5.05% | 19 | 4:23:44 |
| 7. | Overlord | 16,318 | 4.41% | 9 | 2:16:05 |
| 8. | Ankh: Heart of Osiris | 16,313 | 4.41% | 17 | 4:22:19 |
| 9. | Dead Mountaineer's Hotel | 8,980 | 2.43% | 15 | 3:30:59 |
| 10. | Runaway, A Road Adventure | 8,432 | 2.28% | 25 | 4:52:17 |
| 11. | Ankh: Battle of the Gods | 8,367 | 2.26% | 21 | 6:49:33 |
| 12. | Serious Sam 2 | 8,061 | 2.18% | 10 | 2:28:08 |
| 13. | Jack Keane | 5,144 | 1.39% | 2 | 27:58 |
| 14. | Portal 2 | 2,503 | 0.68% | 22 | 4:41:25 |
| 15. | Ghost Master | 1,343 | 0.36% | 3 | 40:16 |
| 16. | The Raven: Legacy of a Master Thief | 850 | 0.23% | 23 | 4:55:41 |
| 17. | BioShock | 828 | 0.22% | 43 | 9:07:36 |
| 18. | Lego Harry Potter: Years 1–4 | 461 | 0.12% | 1 | 25:11 |
| 19. | Saints Row: The Third | 425 | 0.11% | 33 | 8:15:05 |
