What makes a game good?

What makes a game good?

•  It has to engaging to `the player
• Not too difficult , not too hard to keep gamer interested and challenge the gamer.
• Rewards are of uttmost importance, since gamers feel they are achieving an objective 
• Have a purpose to play, a mission. 
• It has to be fun
•  It has to be visually attactive
• Clear instructions and rules of the games
• Feedback must be included for the gamer to continue