A:AnswerYes, this laptop has HDMI to connect to an external monitor. We always suggest you check the system requirements of any game to make sure the laptop meets or exceeds those requirements. You might also post your question on the Acer Community where there are many users that post questions and offer help and advice on Acer products and gaming tips. The link is: https://community.acer.com/
A:AnswerUnfortunately graphics on laptops except for the top of the line (think $1800 and up) are not upgradeable....the one real big downside to a laptop over a desktop.
A:AnswerWhile Acer does not test many gaming applications we would recommend you check that the computer meets the system requirements of the application/game to determine if it will work. You might also post your question on the Acer Community where there are many users that post questions and offer help and advice on Acer products.