HI, im going to buy all Crysis Collection On Steam. But im scared because idk if theres people actually playing it online.

http://store.steampowered.com/sub/15609/

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Should i buy it all or not?

I live in Brasil so i cant play in EUrope servers because of ping.
So my question is : People still play in Usa/America Servers in a acceptable quantity or its all empty?
I was checking gametrackers and i got disapointed.