1.) Commando

1-Create two team and choose someone to be the commando.
2-Send the two teams to there where they are out of sight to be able to start the game.
3-The commando will first close his/hers eyes and say "commado 1","Commando 2","commando 3". While the commandos are being recited the teams are running around looking for somewhere to hide and then eventually being able to grab a diamond.
4-After saying the third commando the commando opens his/her eyes and looks for the people who had hidden.
5-If the commando happens to spot someone he sends them back to their base.
6-Repeat starting from 3, until all diamonds have been stolen.
7-For diamonds to be stolen, while the commando is counting someone from ethir one of the teams will sneak up a stele a diamond.