iPhone features

• Online game with opponents from the entire world
• Single player with 4 difficulty levels: easy, medium, hard, inhuman
• General chat, and a chat accessible in individual games
• Ability to pick an opponent from a general list
• Ability to watch other individuals playing
• Most well-known rating system, known as "Elo"
• Ability to see the rating of each opponent
• Return to the game in case of a loss of Internet
• -Graphics and sounds created by professional artists