A fun game to play in a class with not too many people is Crab Chess.

What you need:

• At least 8 players
• 2 pieces of headgear

How to play:

• Split players into two even teams
• Designate one player from each team as the "king" or "queen"
• All these two do is sit at opposite ends of the room, Indian style, guarded by members of their team
• Remaining members decide who guards and who attacks
• Guards must stay by king or queen and keep attacking 'knights' from reaching their king/queen
• Attackers must try to get past opposite team guards to tap the other teams king or queen on the helmet.

The catch:

All guards and knights must walk crab style. Which means - sit with your hands and feet on the floor, with your back facing the floor. This is the crab walk.

How to attack:

Knights must crab walk around the floor and try to get past guards to win for their team. When members from the opposite teams run into each other they can fight - which is trying to knock the other person off their hands and knees. Pulling hands out from under a person, pulling a foot out and bumping into them are the ways you can knock them over. If a knight's butt touches the ground, they are out and must sit off to the side.

How to win:

• By reaching the opposite teams king or queen and tapping them on the top of their head (this is why they wear headgear, so they don't get hit too hard)
• By knocking all opposing team members out of the game
• Or, if time is a problem, whoever has the most team members left in the time allowed.