ps_game.exe is one of the programs along with [ps_dbAgent.exe,ps_gamelog.exe,ps_gamewar.exe,ps_lo gin.exe,ps_session.exe,ps_userLog.exe] that is use to run a private server if configured correctly, once all of them are good to go will let your shaiya client connect to the IP you have the server installed at. Ps_game.exe is the one that takes care of all the function in game. if it makes sense lol