Two men seriously injured after being robbed while playing Pokemon Go in Adelaide

Two men were assaulted and robbed of their phones while playing Pokemon Go on the beach in Adelaide's Larg Bay overnight.

Police are hunting for the two offenders, who ran from the scene after striking the two victims from behind and stealing their phones around 2am today.

The two victims were taken to Queen Elizabeth Hospital with serious head injuries.

Police do not have a description for the offenders and are urging users to heed the warning from the popular augmented reality game to remain alert at all times and stay aware of their surroundings.

Anyone with information is urged to contact Crime Stoppers on 1800 333 000.