I've completed Shadow of Destiny at 2007/02/20. Unlocked all 8 endings and reached 100% completion rate in every chapter. It took me 5 days (17 hours of game-play in total).

I've completed Chrono Trigger at 2007/02/16. Unlocked all 13 endings and did all the sidequests. It took me 12 days (33:30 hours of game-play in total).
 

I have completed Devil May Cry for the third time at 2007/02/16. Beaten Hard and "Dante Must Die!" difficulties. It took me 7 days (16:02 hours of game-play in total).

I've completed Onimusha: Dawn of Dreams for the third time at 2007/02/13. Beaten Hard and Oni difficulties and unlocked all special outfits. It took me 10 days (60:41 hours of game-play in total).

I've completed Kingdom Hearts on expert difficulty at 2007/02/08, defeated all optional bosses and collected all collectibles. It took me 11 days (42:17 hours of game-play in total).

I've completed Final Fantasy XII at 2007/02/06. Filled up the bestiary and collected all sky den's trophies, achieved the rank of Order of Ambrosia. It took me 24 days (125:06 hours of game-play in total).

I've completed Wizardry: The Forsaken Lands at 2006/12/19. It took me 14 days (45 hours of game-play in total).
 

I've completed Berserk: Millenium Falcon on hard difficulty, as well as all 100 monster stages at 2006/12/13. It took me 9 days (15 hours of game-play in total).

I have completed and unlocked all six endings of Shin Megami Tensei 3: Nocturne on hard difficulty at 2006/10/27, it took me 25 days (123 hours of game-play in total).

I have completed HoMM 3: Armageddon's Blade at 2006/10/26, it took me 15 days (48 hours of game-play in total).