1) Elder Scrolls IV: Oblivion (XBOX 360): Mankar Camoren’s Paradise
2) Super Mario Sunshine (Nintendo GameCube): Noki Bay
3) Halo (XBOX): The Silent Cartographer
4) The Legend of Zelda: Majora’s Mask (N64): The Astral Observatory
5) Super Mario 64 (N64): Wing Mario Over the Rainbow
6) Legend of Mana (PS1): Lumina
7) Shadow of the Colossus (PS2): Kuromori’s Tower
8) Sonic the Hedgehog 3 (Sega Genesis): Angel Island Zone 1
9) Soul Blazer (SNES): Leo’s Painting
10) Earthbound (SNES): Magicant

According to Examiner.com.

1. Pokémon Red, Blue and Green

Gameboy - 20.08 Million Copies Sold

2. Super Mario Bros. 3

Nintendo - 18 Million Copies Sold

3. The Sims

PC - 16 Million Copies Sold

4. Nintendogs

Nintendo DS - 14.75 Million Copies Sold

5. Pokémon Gold and Silver

Gameboy - 14.1 Million Copies Sold

6. Super Mario Land

Gameboy - 14 Million Copies Sold

7. Grand Theft Auto: Vice City

Playstation 2 - 13 Million Copies Sold

8. Pokémon Ruby and Sapphire

Game Boy Advance - 13 Million Copies Sold

9. The Sims2

PC - 13 Million Copies Sold

10. Grand Theft Auto: San Andreas

Playstation 2 - 12 Million Copies Sold

According to Gunslot.

According to PCWorld.ca, these are the 10 worst games of all time.

1. E.T.: The Extra-Terrestrial (Atari, 1982)
Platform: Atari 2600

2. Super Columbine Massacre RPG (Danny Ledonne, 2005)
Platform: Windows

3. Custer’s Revenge (Mystique, 1982)
Platform: Atari 2600

4. Daikatana (Eidos Interactive, 2000)
Platforms: Windows, Nintendo 64, GameCube

5. Pac-Man (Atari, 1981)
Platform: Atari 2600

6. Smurf Rescue (Coleco, 1982)
Platforms: ColecoVision, Atari 2600

7. Shaq Fu (Electronic Arts, 1994)
Platforms: Sega Game Gear, Sega Genesis, Super Nintendo, Amiga, Game Boy

8. Make My Video (Digital Pictures, 1992)
Platform: Sega CD

9. Prince of Persia: Warrior Within (Ubisoft, 2004)
Platforms: PlayStation 2, Xbox, GameCube, Windows, cell phone, PlayStation Portable (as Prince of Persia: Revelations).

10. Elf Bowling (NStorm, 2005)
Platform: Nintendo DS