User blog comment:Dolten/Call of Duty: Black Ops Achievements/Trophies (SPOILER ALERT)/@comment-75.22.68.201-20101002231300

i think rebirth island will be a new zombie map because the Trophy "No Leaks" says "Make it through the NOVA 6 gas without dying on Rebirth Island" notice the NOVA6 while the black ops zombie website is called gkNOVA6.com