Complex sentence: The main advantage of slingshot paintball is the cost of a slingshot is much less than that of a paintball marker, and on average, a game of slingshot paintball requires about 10 paintballs to play, compared to standard paintball, which often exceeds 200 paintballs.
Split into simpler sentences: The main advantage of slingshot paintball is the cost of a slingshot is much less than that of a paintball marker. On average, a game of slingshot paintball requires about 10 paintballs to play, compared to an average game of standard paintball, which often exceeds 200 paintballs.