Genres Wiki

Here is a wikipedia link to an entry that describes a few genres.

The wiki first divides game genres into major genres, notable genres and superseded genres.

Major Genres:

• Fighting
• First-person Shooters
• MMO (MMORPG and MMOFPS)
• Racing
• Role-playing
• Simulators
• Sports
• Strategy
• Third-person shooters
• City Building Games

Notable Genres:

• Adult
• Arcade
• Educational
• Maze
• Music
• Party
• Platform
• Puzzle
• Stealth
• Survival horror
• Traditional
• Vehicular combat

Superseded genres:

• Adventure
• Interactive movies
• Light-gun games
  
• Retro
• Scrolling shooters