The side acts as the national development team of the Papua New Guinea Football Association, and is limited to players who are under the age of 23.

[1] Since then, they have made gradual progress, with their best success coming in 2018, when they reached the Grand Final for the first time, losing 3–0 to Toti City Dwellers.

[6] In November, tragedy struck the side as their starting goalkeeper, Fenney Bonki, lost his life after being hit in a vehicle accident.

[14] In the third-place playoff, they took on Tukoko University, where, after the score was level at 2–2 after regular time, the side went on to secure third place with a 3–2 victory in the penalty shoot-out.

[18] However, they were unable to translate this form to the playoffs, where they once again fell in the semi-finals, losing 2–0 to new franchise FC Port Moresby despite early pressure on the visitors' goal.

[24] In the two years after several clubs broke away from the league as part of the Football Federation Papua New Guinea, Besta PNG's fortunes improved dramatically.

[3][4][5] Following the reunification of football in the nation ahead of the 2019 season, the club was drawn into the Northern Conference alongside reigning champions Toti City.

[29] However, the second half of the season was a huge success, with the side overturning all seven of their opponents, but narrowly missing out on qualification thanks to the consistent form of eventual qualifiers Toti and Morobe.