IN PICS | Skyrim, Left 4 Dead 2, More: Top 10 Hardest Games That Players Couldn’t Finish

10. BioShock 2 — Players retired: 2,131 | Retirement rate: 6.5 per cent [Image credit: 2K Games]

9. Path of Exile — Players retired: 2,253 | Retirement rate: 26.6 per cent [Image credit: Grinding Gear Games]

8. Sid Meier’s Civilization V — Players retired: 2,435 | Retirement rate: 19.3 per cent [Image credit: Firaxis Games; Aspyr]

7. Company of Heroes — Players retired: 2,454 | Retirement rate: 18 per cent [Image credit: THQ]

6. Borderlands 2 — Players retired: 2,513 | Retirement rate: 8.7 per cent [Image credit: Gearbox Software; Aspyr]

5. BioShock — Players retired: 2,655 | Retirement rate: 6.3 per cent [Image credit: 2K Games]

4. Terraria — Players retired: 2,735 | Retirement rate: 15.9 per cent [Image credit: 505 Games]

3. The Elder Scrolls V: Skyrim — Players retired: 2,837 | Retirement rate: 10.1 per cent [Image credit: Bethesda Softworks]

2. Payday 2 — Players retired: 3,087 | Retirement rate: 25.9 per cent [Image credit: 505 Games]

1. Left 4 Dead 2 — Players retired: 3,127 | Retirement rate: 15.7 per cent [Image credit: Valve]