I think all of their pics are deserving. Manjoras Mask was definitely a great game, even though many people complained about the time system saying "It's too different for me!". I really need to play Perfect Dark and finish Manjora's Mask. I have the feeling I will be saying that a lot with the next entries.
As for the PC getting so many pics, I guess it was just a good year for PC gaming. Too bad I don't have a list of year 2000 games to compare the list to. Hold on: [pulls up list]
Here is a list of games released in 2000:
January 31 - The Sims (PC)
February 3 - Resident Evil Code: Veronica (Japan) (DC)
February 10 - Vagrant Story (Japan) (PS1)
February 29 - Resident Evil Code: Veronica (DC)
March 21 - Thief II: The Metal Age
March 24 - Need for Speed: Porsche Unleashed
March 27 - Soldier of Fortune (PC)
April 24 - EverQuest: The Ruins of Kunark (PC)
May 22 - Perfect Dark (N64)
June 1 - Evolva (PC)
June 11 - Legend of Dragoon (PS1)
June 13 - Shogun: Total War (PC)
June 25 - Deus Ex (PC)
June 29 - Diablo II (PC)
June 29 - Icewind Dale (PC)
June 30 - Homeworld: Cataclysm (PC)
July 7 - Final Fantasy IX (Japan) (PS1)
August 2 - Heavy Metal: F.A.K.K.² (PC)
August 16 - Chrono Cross (PS1)
August 24 - Age of Empires II: The Conquerors Expansion (PC)
August 26 - Dragon Quest VII (Japan) (PS1)
August 27 - The Sims: Livin' Large (PC)
September 14 - Star Trek: Voyager - Elite Force (PC)
September 19 - Tony Hawk's Pro Skater 2 (PS1)
September 24 - Baldur's Gate II: Shadows of Amn (PC)
September 30 - RollerCoaster Tycoon: Loopy Landscapes (PC)
October 6 - American McGee's Alice (PC)
October 15 - Pokémon Gold and Silver (Game Boy Color)
October 21 - Command & Conquer: Red Alert 2 (PC)
October 25 - Dead or Alive 2: Hardcore (PS2)
October 25 - Midnight Club: Street Racing (PS2)
October 26 - The Legend of Zelda: Majora's Mask (N64)
October 26 - Tekken Tag Tournament (PS2)
November 8 - Counter-Strike (PC retail version)
November 8 - Escape from Monkey Island (PC)
November 9 - The Operative: No One Lives Forever (PC)
November 13 - Kessen (PS2)
November 13 - Skies of Arcadia (DC)
November 14 - Final Fantasy IX (North America) (PS1)
November 16 - Sacrifice (PC)
November 16 - The Longest Journey (North America) (PC)
November 20 - Banjo Tooie (N64)
November 23 - MechWarrior 4: Vengeance (PC)
December 4 - EverQuest: The Scars of Velious (PC)
December 6 - Grandia II (DC)
December 7 - Giants: Citizen Kabuto (PC)
I guess Shogun: Total War, Banjo Tooie, Skies of Arcadia, Tekken Tag, Star Trek Voyager: Elite Force, Legend of Dragoon and Thief II could be considered for top 10.