It is also very easy on sandbox if you spawn a killball while over an enemy which, when coming into contact , is probably the easiest way of getting this achievement
Minor edit, added rocket technique.Edit
-- Crasoum 18:14, 23 April 2009 (UTC)
Split-ScreenEdit
should I add It is possible to get this on split-screen by yourself, by connecting two controllers, You use one controller to drop the object and dont use the other. --Heroicpotatoe 17:19, October 21, 2009 (UTC)