What can I do to get this girl to like me?

In a videogame. I know what she looks like but she doesn't know me. She compliments me on my playing a lot, she specs me a lot and she added my DC randomly. Does she like me? What else can I do? Recently I invited her to a party and she said she has to go off which is unusual for her because she's on all day even though she's afk?

What can I do to get this girl to like me?
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