To dream that you are playing paintball, represents your competitive, but fun side. You have a chance to accomplish something great in an area of your life. However, you need to proceed carefully to avoid being ambushed or blindsided, especially by malicious coworkers, friends or enemies.
If you are hit by a paintball, then it symbolizes a minor setback.
Also consider the color of the paint for clues on your emotions.
If you are being stalked in paintball, then it symbolizes hidden dangers.