No account deletion here… At the time of taking a look at this site, the Privacy Policy and Terms of Service could not be found (404-like, shame). Besides, no info on how to delete your account could be found. On the forums admins state after several deletion questions that you cannot delete your account. See e.g. http://www.newgrounds.com/bbs/topic/1256755
URLS:
http://www.newgrounds.com
Please note that AccountKiller.com is not associated with the business listed on this page. AccountKiller provides easy-to-understand instructions and guides on how to cancel charges and relationships from the list of businesses on our site, we have no affiliation with these businesses.