A Brisbane mother who vanished while playing Pokemon GO has been found dead after her family took to social media to recruit other gamers in the search for her.

Catherine Stalker, 29, was out playing the augmented reality mobile game in the Brisbane area but had not made contact with family since about 1.30pm on Friday, reported the Courier Mail.

Following Cate's disappearance her twin sister, Fiona Stalker asked other local Pokemon Go players to keep an eye out for the mother-of-one.

Sadly, on Sunday the family confirmed that the mother-of-one's body had been found and police said her death is not suspicious.

"Our Cate has been found. She has taken her own life," Fiona Stalker wrote on Facebook.

"Thank you to everyone who helped, we feel supported and loved. Please now care for yourself and those around you."

It is unclear who made the grim discovery.