I have completed Bully at 2006/10/25. It took me 5 days (12:36 hours of game-play in total).

I have completed Silent Hill at 2006/09/30. It took me 4 days (4:36 hours of game-play in total).

I have completed Silent Hill 2 six times, unlocked all 6 endings and beaten "Born from a Wish" scenario at 2006/09/24. It took me 9 days (21:30 hours of game-play in total).

 I've completed Final Fantasy X, did all its' sidequests and defeated Penance at 2006/09/03. It took me 10 days (94:51 hrs of game-play in total).

I have completed the main as well as all side quests in The Elder Scrolls IV: Oblivion at 2006/08/20. It took me 12 days (95:29 hours of game-play in total).

I've completed Resident Evil 4 twice at 2006/08/08, I've beaten professional difficulty and beaten/unlocked everything what's possible. It took me 16 days, (53:15 hours of game-play in total). 

I`ve completed Super Mario Bros, both first and second quests at 2006/07/20. It took me 3 days (4 hours of game-play in total).

I`ve completed Bishoujo Senshi Sailor Moon on hard difficulty at 2006/07/17. It took me 2 days (1:30hrs of gameplay in total).

I've completed Onimusha 3: Demon Siege twice at 2006/06/18. I've beaten hard difficulty and all minigames. It took me 9 days (25 hours of game-play in total).
 

I've completed Heroes of Might and Magic 3: Restoration of Erathia at 2006/06/10, it took me 9 days (27 hours of game-play in total).