How I play paintball and actually have a lot of fun
1. HOOONK! Air horn blows, sprint to the farthest barricade you can manage
2. Wait a few seconds to get your bearings and find out where others are. Take some shots at people you can see. Don't get into dedicated fire fights
3. Once you know where people are, find the ones who are keeping you from advancing. Have a friend shoot at those peoples barricades, and advance.
4. Keep doing this advancing tactic until you get to a comfortable spot. Shoot the enemy team in the buttocks.
5. repeat an necessary