Welcome to R99.
Unfortunately multiple computers per household playing on this server are not permitted, except for special IP exemptions. You may apply for them(in such cases as yours where you want to play with your sons) but the process takes time, and your account(s) will be monitored heavily to ensure no two-boxing occurs, which is not allowed on this server:
http://www.project1999.org/forums/sh...ad.php?t=39843
Other than this, welcome. We hope to kill you in the future.