你玩电脑游戏实在太利害了!(用英文怎麼讲?要比较口语一点的)

you're really a computer game master!

You are hell of a player.
You are damn good in playing PC games.
You really know how to play PC games, don't you?
You were born for PC games, man.

you are quite good at playing computer games。

You are actually so good in playing PC games!

fantastic！ you play computer games so good!

You are so good at the viedo games!