Early in his career, he played all over the world, including Las Palmas in Spain, Nacional in Uruguay, and FC Paços de Ferreira in Portugal.
He returned to Colorado in August 2006 but was again waived at the end of the season, subsequently joining Atlante F.C.
[2] N'Kong went on to play for Indios de Ciudad Juarez for the Apertura 2009, he signed a one-year contract.
N'Kong represented Cameroon at various youth levels and appeared with the full national team in qualifiers for the 2002 FIFA World Cup.
On 7 February 2008, he scored the winning goal with a finish from a Samuel Eto'o through pass which sent Cameroon into the final of the 2008 Africa Cup of Nations knocking out hosts Ghana.