The Lenovo IdeaCentre A340-22 All-In-One system, model number F0EA000EUS, can support one external monitor through its HDMI-Out port. The games this system can support will depend on the requirements and compatibility of the specific game. We recommend you check with the specific game's software publisher's web site for their compatibility with Windows 10 Home 64-bit operating system and the minimum/recommended hardware requirements (Is a Graphics card required, the processor speed and the minimum required system RAM and the minimum available hard drive space) to run their program, then compare those requirements to this system's configuration. The Lenovo IdeaCentre A340-22 AIO is an entry level, light use system with its Intel Pentium processor. It is not meant for multi-tasking or demanding programs. It is good for Microsoft Office and light internet browsing. There is a 720p (HD) webcam and microphone built in. There is no battery within this All-In-One model, it must be plugged in to work.