I need to find a game I'm good at?

I run 0.80 K/D's in FPS games, I am a little above average in sports games, I am only good at PvE. I want to be good at PvP so bad! How can I get better besides playing a lot and using KontrolFreeks? I try so hard. Give me something!
Added (1). No Minecraft or Roblox or any of that crapy. Also, don't use 4 year old grammar. (Brenda)

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