In Zombie Fire, players aim to survive against waves of zombies while completing missions. Collect resources, upgrade your weapons, and strategize to manage threats efficiently.

To upgrade your weapons, gather resources during gameplay. Access the upgrade menu, select the weapon you want to enhance, and use the collected materials to improve its attributes.

Adopt a strategy of resource conservation, upgrade your gear regularly, and position yourself in strategic locations. Utilize power-ups wisely and team up with other players for increased survival chances.

To unlock new levels or areas, you need to complete specific missions or challenges. Focus on improving your skills and defeating certain bosses to progress further in the game.

The crafting system allows players to create new items and upgrades. To utilize it, follow these steps: 1. Collect raw materials from defeated zombies and supply crates. 2. Go to the crafting menu. 3. Select the item you wish to craft. 4. Use your collected materials to create the item, then equip or use it for improved gameplay.