FARGO, N.D. - Tickets for all six North Dakota State University home football games in 2015 are currently sold out. Single-game tickets went on sale at 8 a.m. Saturday, Aug. 1, and sold out within one hour.This is the fourth straight year NDSU has sold out the entire football season on the first day of single-game ticket sales. North Dakota State had previously sold more than 12,000 season tickets.Additional reserved and standing-room-only tickets may become available at 8 a.m. Friday of game week. Check GoBison.com/tickets for availability.Student tickets will be available online at GoBison.com/students beginning at 8 a.m. Monday of game week. NDSU students who pay activity fees are eligible to reserve one ticket in the student section for each home football game. Reservations are accepted based on availability.