Sift Heads World – Ultimatum unblocked game is free for you to play online at school as well as check the shooting skill. You have a lot of missions that you have to complete in the short time. Are you ready to explore your new story? Let's join in Sift Heads World – Ultimatum and show up what you have to destroy all of the targets in each stage! Can you and other members of your team escape from the chasing of cops? Good luck!