Outsmart your friends by challenging them to play games

Exempli gratia (e.g.) ("free examples"):

• Euchre
• Monopoly
• Risk
• Apples to Apples
• Scene it
• Cranium
• Billiards
• Ping pong
• Badminton

Or, if you are keen to donating money to friends, Texas Hold 'em (and other forms of poker).

If you want to make your guys ridiculously happy, have a baking contest with a few friends and have them judge.