It has often been said that a well coached team with excellent field communication skills can triumph over a collection of players with superior talent and paintball gear (but poor communication skills).  In most paintball games, there are several positions you can choose to play on your team.

Essential Scenario Gear
Here are some things that are necessary to bring with you when going to a big scenario game.  Most importantly - your paintball marker, pods, your hopper, and paintball mask.