how do I create many accounts?

the site requires a gmail account when registering an account, are there ways to create a lot of gmail accounts (when creating more than 2-3 gmail accounts requires a phone number, and later writes that his number has been used too many times), are there any ways to get around this?

for Multiboxing? you may ask for an advise here: http://forum.warmane.com/forumdisplay.php?f=189

Btw, if I remember correctly, phone number is not mandatory to create a gmail account. So try to avoid it