Water Balloon Wars Rio Vista Water Balloon Wars Rio Vista: Take sides and try not to get wet in this fun water game. Each side launches water bombs (balloons) at the opposing team. The projectiles burst in the netting, raining down water on the people underneath. 2 people per side, 4 at a time or have a buddy come join you to help launch your balloons faster and add to the fun. Standard prices shown during checkout are for rental duration's of up to 5 hours. An additional fee of $50 will b...