1. Collect the Miasma powerup. 2. Put the Miasma over the officer and send your zombies past it. 3. Collect the Speed powerup and the Tough powerup. 4. Use both powerups on one zombie, and send that zombie to zombify the officer with Quake powerup. 5. Send two zombies near the officer near the beginning, and rest next to the glassdoor. 6. Use the Quake and zombify all the officers. 7. Zombify the humans in last room. thumb|300px|left from Aaarto