I live in Europe and can play just fine, using WTFast I reach a ping of about 160ms during normal times, a bit higher during weekends and peak hours.
Without it, I'm at 250ms and even then the game is still playable.
And that's coming from someone who used to play at 12ms for 2 years, mind you.
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Though I must admit, Blackcypher is doing something it shouldn't, but I would also blame a few things on the amount of people that possibly returned for G18, as well as the raids that seem to be putting a bit of stress on the servers.
What's that? Better not be mods >_>
Also, I can play just fine. In the sense that everything loads. But I rubber-band everywhere and don't always get skills off.