1. A method comprising: enabling a location of a client device of a user of a group of users to be detected by a game networking system, the group of users being friends with respect to a social networking system, the social networking system providing at least one social networking service unrelated to the game networking system; receiving a notification at the client device of a detection of a presence at the location of an additional client device of an additional user of the group of users from the game networking system; and displaying the notification in a user interface of the client device, the notification notifying the user of the group of users of an option to request assistance from the additional user of the group of users in completing a location-based action at the location, the displaying of the notification based on the enabling of the location of the client device of the user of the group of users to be detected by the game networking system and the receiving of the notification from the game networking system of the detecting of the presence of the location of the additional client device of the additional user of the group of users.