Paintball Arena Battle 3D is a free multiplayer action game where players compete for points and the number one spot on the leaderboard. Each match includes two teams of equal strength, and the goal is to shoot your opponent into the opposing team’s goal. Each player has a paintball gun that can be used to shoot opponents. In order to score, you must shoot your opponent into their goal, while defending your own goal.

There are many different types of paintball guns that you can use in the game. Each paintball gun has a different range and shot speed, but they all have the same basic function. You can use the left or right trigger to shoot, and the trigger can be held to fire continuously, or you can use the trigger one-shot. There is also an on-screen display that shows the current gun state, so you can know if it's loaded or not.