GAMING

1. Arcade gaming

1.1. Pinball machine

1.2. Video games

2. Genres

2.1. Action games

2.2. First person shooter

2.3. Puzzle games

2.4. Real-time strategy gaming

2.4.1. LAN

2.4.2. WAN

2.5. Role-playing games

2.6. Strategy games

3. Number of players

3.1. Single player

3.2. Multiplayer

4. E-sports

4.1. since 2000 - considered as a "real" sport

4.2. tournaments

4.3. Dota 2, League of legends, StarCraft II

5. Platforms

5.1. PC gaming

5.1.1. IBM

5.1.2. Macintosh

5.2. Console gaming

5.2.1. Nintendo

5.2.1.1. Wii

5.2.1.2. Nintendo 64

5.2.1.3. Nintendo DS

5.2.2. Xbox

5.2.2.1. Xbox 360

5.2.2.2. Xbox One

5.2.3. Playstation

5.2.3.1. Playstation (1, 2, 3, 4)

5.2.3.2. Playstation portable