How do you get past Level 3 in Zombie Chainsaw City Killer (ZCCK)?

To get past Level 3 in Zombie Chainsaw City Killer (ZCCK), focus on managing your resources effectively, including health and weapon durability. Prioritize taking out the stronger Zombies first while using the environment to your advantage for cover. Make sure to explore for power-ups and ammo, and utilize melee attacks when necessary to conserve ammunition. Strategically plan your movements to avoid being cornered, and remember to keep an eye on your health bar.