Tom Clancy's Ghost Recon Phantoms (GRP), previously Ghost Recon Online (GRO), is a multiplayer free-to-play (or pay-to-advance) class based third person shooter for the PC and Wii U. It has been released for PC, but is still in development for Wii U. Both versions of the game are being developed by Ubisoft Singapore. Note: Console version is still unconfirmed at this point.
Tom Clancy's Ghost Recon Online should not be confused with Ghost Recon Future Soldier (GRFS) nor be assumed as a general category for all online Ghost Recon experiences. It is a separate game with different mechanics and art style.