Underworld Resident Canines - Underground Dungeon Survival Zombie Game

Underworld is place of underground caves , dungeons where some dangerous creatures like Cerberus live, these creatures ussniper, dogs, riffle, shooting, zombies, war, hunting, underworld, knives, attack, crime, caed to be normal canines but infected by virus into zombies called cerberus or kerberos, these blood thirsty cerberus (Kerberos) kill and eat every living thing. Mission is to clear these caves, tunnels and dungeons out of these creepy creatures. You need to be ruthless killer machine to do it.
Once you enter , only way out alive is to kill those sworn enemies and clear the way out
-> Virus infected canines turned into cerberus (Kerberos)
-> these creepy creatures cerberus live underground.
-> complete underground creepy environment
-> caves, tunnels , dungeons fill with zombie dogs
-> intense thrill once you enter in
-> sworn enemies lives in this underworld
-> adrenaline rush you desire
-> Fight with knives, pick up guns
-> Keep eye every where
-> they may attack from top too