Zombie Defense – Unity Source Code

Zombie Defense – Unity Source Code is a complete and ready-to-use foundation for developers who want to create an action-packed zombie defense experience using professional Unity source code. Designed with simplicity, performance, and monetization in mind, this project allows you to build, customize, and launch your own 2D zombie shooter game without starting from zero. It is ideal for indie developers, students, and anyone looking to learn from real, production-ready code.

The core gameplay revolves around defending a farmer’s house from waves of invading zombies. Players shoot zombies, earn coins and skulls, and use those rewards to buy new weapons or upgrade defenses. Each completed quest unlocks additional rewards, creating a satisfying progression loop that keeps players engaged while demonstrating solid game design principles.

Unity template for zombie defense gameplay

This Unity template provides a structured and reusable framework for building zombie defense games. It features easy-to-control mechanics that make the gameplay accessible while still delivering a smooth and skillful experience. The silky gameplay feel ensures responsive shooting, clear feedback, and engaging combat, which are critical elements in successful action games.

The template includes multiple zombie characters, each designed to add variety and challenge. With four zombie types already implemented and the ability to add more, developers can easily expand enemy behaviors and difficulty levels. The 30-day mission structure offers a clear progression system that can be adapted to different gameplay styles or expanded into longer campaigns. Because the template is easy to reskin, it can be transformed into different themes beyond zombies, making it a versatile asset for source code–focused projects.

Unity project built for learning and monetization

As a complete Unity project, this source code is excellent for developers who want to understand how a full game is assembled. From player controls to enemy spawning and reward systems, each component is organized for clarity and easy modification. The project demonstrates how to manage in-game currency, unlock weapons, and upgrade barriers using clean and readable logic.

Monetization systems are also fully integrated. AdMob interstitial ads and Unity Rewarded Video are included, allowing developers to learn how ads are implemented in a real project. This makes the Unity project especially valuable for those who want to publish mobile games and generate revenue. By studying and modifying this code, developers can quickly adapt monetization strategies to fit their own game concepts while maintaining a smooth player experience.

Unity game source code ready for customization

This Unity game source code is designed to be flexible and beginner-friendly. It supports Unity 5.6.0 or higher, ensuring broad compatibility and stability. The 2D cartoon-style graphics are visually appealing and easy to replace, making reskinning fast and efficient. Developers can swap characters, weapons, backgrounds, and UI elements without rewriting core systems.

With four weapons already included, the game showcases how to handle weapon selection, upgrades, and progression. Developers can easily add new guns, balance damage values, or introduce special abilities using the existing framework. The reward system tied to quests and zombie kills demonstrates how to keep players motivated through clear goals and consistent feedback.

In conclusion, this Unity game source code offers a complete solution for creating a zombie defense shooter with real-world features such as progression, monetization, and polished gameplay. For websites focused on source code, this project stands out as a practical, educational, and customizable asset that helps developers turn ideas into a playable and profitable game.

Features

  • 30 days to finish this mission.
  • 4 zombies character and more.
  • 4 weapons and more.
  • Easy to control and play this game.
  • Silky skillful gameplay.
  • Beauty 2D cartoon game graphic.
  • Admob interstitial is integrated to earn money.
  • Unity Reward video to earn money.
  • Easy to reskin.

Requirements

  • Requires Unity 5.6.0 or higher.

Plugin:

  • Zombie Defense use the iTween Plugin, this is free plugin.
  • Admob.
  • Unity Ads.

Instructions

  • Just replace these arts instead the arts in your project with the same name and size.
  • Easy to reskin.
  • Replace artwork.
  • Replace Ads SDK.
  • Reskin documentation available upon purchase.

Demo Apk