Till you Last Windows, Android game

You're Tasked as a Covert Immune Cleanup Crew for a fallen Underground Facility/Shelter of the Largest Pharmacy Company that were researching the infection, they have been overrun by the infected during the Apocalypse and then Sealed to prevent further spread on the safe areas. Slay Zombies Underground Tunnel with the whole Unique Weapons/Arsenal Available, Featuring Unique Gunplay and Satisfaction on every bullet hit, weapons that can be bought using in-game currency that were gained while slaying Zombies on the Infil Site, Collect Sample for Incentives and prevent the catastrophic future again. "Kill your time as you Slay the Undead, a Pure Ballistic Zed Slaying Game with no Interruption for Carnage and Ammo, unlock powerful weapons as you progress through the game, and bring the pure firepower of the Human race to the undead.