OSG Paintball is the #1 Rated Paintball Field in New England. Whether celebrating your birthday, bachelor party, or logging missions during a scenario game, the reviews are in. Players rate us #1 in New England. Outdoor Strategic Games (OSG) Paintball was founded in the early 90’s. We have spent the past 15 years creating immersive playing environments to bring you a one of kind paintball experience that no other paintball park in New England can match. These fields, along with the most experienced staff in New Hampshire, have established OSG as one of the top rated paintball fields in the nation.