Key components of games are goals, rules, challenge, and interaction. Games generally involve mental or physical stimulation, and often both. Many games help develop practical skills, serve as a form of [[exercise]], or otherwise perform an educational, simulational or [[psychological]] role. According to Chris Crawford, the requirement for player interaction puts activities such as jigsaw puzzles and solitaire "games" into the category of puzzles rather than games.[1] | Key components of games are goals, rules, challenge, and interaction. Games generally involve mental or physical stimulation, and often both. Many games help develop practical skills, serve as a form of [[exercise]], or otherwise perform an educational, simulational or [[psychological]] role. According to Chris Crawford, the requirement for player interaction puts activities such as jigsaw puzzles and solitaire "games" into the category of puzzles rather than games.[1] |