Clean the EarthClean the Earth for thisStay in a clean and destroyed world!You can live in a destroyed world and there are zombies roaming the streets.You must collect and study. Zombie DNA,clean up the contaminated area with the vaccine you made and work with the few that still survive to survive!Show moreUpdate 0.3.4 on the latest 26.2024New bug fixes and fixes. Install or update to see the latest version!Show more