Various gaming-related services are provided, including but not limited to security services, harm minimization services, player identification services, bonusing/progressive services, accounting services, financial/banking services, network tunneling services, cheating detection services, etc. Such services may be provided, at least in part, by software agents that can be configured for different platforms and/or operating systems. Some software-based player tracking methods of the invention can aggregate data from multiple devices used by a player for gaming.