Port Moresby's Koboni Demons club (founded 1965 it is one of the longest running outside Australia), consisting mainly of players from the Central Province with 19 premierships has dominated the competition along with its major rival West (consisting of players from West New Britain).

The league since the 1980s has struggled for recognition, and following ongoing disputes with Cricket PNG over use of its grounds plays mainly out of Bisini Park Colts Oval - however due to the rapid growth of the sport in 2023 funding was allocated for its re-development to AFL standards.

[1] Initially it was mostly expatriate Victorians, including many from the Warrnambool district working in Moresby at the time, whose numbers rapidly swelled the competition to 8 teams.

Initially the competition maintained a low profile, with rugby league being the main sport for locals in Moresby.

[12] The league along with the sport across the country, reached a height in popularity in 1977 with the Grand Final that year attracting a record crowd of 6,000 paying spectators to the Hubert Murray Stadium.

While member clubs sell naming rights to local business sponsors the league suffered from inadequate infrastructure, relying heavily on support from Australia.

[18] Due to the rapid growth of the sport in 2023 funding was allocated for the re-development of Bisini Park Colts Oval to AFL standards.