Two goals from Mexico and one from Cameroon were cancelled out because of offside in the first half. However, the deadlock was finally broken by Peralta earning his side full points.
It rained throughout the first half and Mexico impressed against the Cameroon side.
Here are the pictures from the match.
Herrera and Choupa-Moting
Mexico's Hector Herrera (6) challenges Cameroon's Maxim Choupo-Moting (13)
Peralta and Chedjou
Mexico's Oribe Peralta, left, and Cameroon's Aurelien Chedjou battle for the ball
Moment of joy
Mexico's players celebrate after Mexico's Oribe Peralta scored
Mexican players celebrate after the group A World Cup soccer match between Mexico and Cameroon in the Arena das Dunas in Natal, Brazil, Friday, June 13, 2014. Mexico won 1-0.
Peralta strikes winner
Mexico's Oribe Peralta, left, celebrates with teammates after scoring the opening goal
Mexico's Hector Herrera, left, and Mexico's Jose Juan Vazquez, right, fight for the ball with Cameroon's Stephane Mbia
Guardado and Makoun
Mexico's Andres Guardado, right, is challenged by Cameroon's Jean Makoun
Mexico's Raul Jimenez, left, heads the ball missing a chance to score
Cameroon's Samuel Eto'o, centre, reacts after the match