Since the official list is out, I thought I'd throw my list out (not that anyone cares): 
  
1. Dragon's Dogma (2012: Capcom) 9pts 2. Tactics Ogre (1995: Quest, Atlus) 8pts 3. Dragon Force (1996: J-Force, SEGA, Working Designs) 8pts 4. Shin Megami Tensei: Persona 4 (2008: Atlus) 8pts 5. Bruce Lee (1984: Datasoft) 7pts 6. Fire Emblem Awakening (2013: Intelligent Systems, Nintendo) 7pts 7. Icewind Dale (2000: Black Isle Studios, Interplay) 6pts 8. Vampire: The Masquerade - Bloodlines (2004: Troika, Activision) 6pts 9. Xenogears (1998: Square) 6pts 10. Planescape: Torment (2001: Black Isle Studios, Interplay) 6pts 11. Final Fantasy Tactics (1997: Square) 5pts 12. Shin Megami Tensei: Persona 3 (2007: Atlus) 5pts 13. Final Fantasy VI (1994: Square) 5 pts 14. Titan Quest (2006: Iron Lore, THQ) 5pts 15. Chrono Trigger (1995: Square) 5pts 16. Saints Row 2 (2008: Volition, THQ) 4pts 17. Shin Megami Tensei III: Nocturne (2003: Atlus) 4pts 18. Baldur's Gate (1998: Bioware, Interplay) 4pts 19. Shining Force II (1993: Sonic, SEGA) 4pts 20. Star Wars: Knights of the Old Republic II - The Sith Lords (2004: Obsidian, Lucasarts) 4pts 21. Mass Effect (2007: BioWare, Microsoft) 2pts 22. Elder Scrolls V: Skyrim (2011, Bethesda) 2pts 23. Renowned Explorers: International Society (2015: Abbey Games) 2pts 24. Champions of Norrath (2004: Snowblind Studios, Sony Online Entertainment) 2pts 25. Phantasie (1985: SSI) 1pt 
  
There were literally dozens of games that I had to cut out even once I started applying the criteria of games I'd played multiple times (Shining Force I, Street Fighter II, Jade Empire, BGII, Arcanum, any of the Fallouts, Darkstalkers, etc.)