Kbot recommendation

yo boted for what?? for bonus box, for killing npc, or for both?

only boxes the account was lvl 13 n 2-8 109k Extra Energy and 8million uridium with doubler

where is better to bot, in 2-8, 2-7, 2-6, or 2-5??
and in you opinion, what is better, bot for bonusboxes, killing aliens, or both?

I bot 20 hours every day and no captcha^^