I think it's cause of time zones, and as Faereh said, school-days. I am home schooled, so I can be on alot of the time, but when was still in school, you'd get on as much as you can! xD I think the highest I've seen is 900. That's why Razmirz stopped registration for a while. Imagine the amount of players online on a weekend if registration was still open!~