1. A system for providing incentives to users based on a platform used to interact with an online game, the system comprising: one or more processors configured by machine-readable instructions to: provide the incentives to the users responsive to the users interacting with the online game and participating in and/or completing activities in the online game, wherein the users include a first user, wherein the first user accesses the online game through multiple platforms including a first platform and a second platform, wherein the activities include a first activity, wherein, responsive to the first user completing the first activity, an incentive is provided to the first user, wherein the incentive is determined based on whether the first user accessed the online game through the first platform or through the second platform to perform the first activity.