Build a Robust Android Puzzle Game

Unity Android Game Development – Color Mix Master
Project Overview

We are looking for an experienced Unity (C#) developer to build a polished Android puzzle game called Color Mix Master. The game challenges players to mix colors to match a target color with increasing difficulty across multiple game modes.

The project should include modern mobile UI, smooth animations, optimized performance, and scalable architecture suitable for future content updates.

Core Features
Authentication
Welcome screen
Guest Login
Google Sign-In
Save player progress
Home Screen
Current player level
Coin and Diamond balance
Play button
Daily Challenge
Shop
Settings
Leaderboard
Profile
Game Modes
Easy Mode (mix 2 colors)
Normal Mode (mix 3 colors)
Hard Mode (mix 4 colors)

Each mode should display:

Completed levels
Total levels
Completion percentage
Gameplay
Target color displayed at the top
Drag or tap paint bottles into a mixing container
Real-time color blending
Display match percentage after mixing
Three-star scoring system
Hint system
Undo and Reset actions
Pause and Resume
Next Level and Retry options
Additional Features
Daily Challenges
Achievements
Player statistics
Shop
Reward system
Profile page
Global leaderboard
Settings page
Technical Requirements
Unity (latest LTS version)
C#
Android support
Responsive UI for different screen sizes
Clean and maintainable code
Modular architecture
Object-oriented programming principles
Efficient scene management
Optimized performance (60 FPS target)
Local save system (PlayerPrefs or JSON)
Firebase integration (optional)
Google Play Games integration (optional)
AdMob integration (optional)
Unity IAP support (optional)
Deliverables
Complete Unity source project
Well-structured C# code
Optimized assets and prefabs
Documentation for setup and build
Android APK/AAB
Bug-free final build
Nice-to-Have Skills
DOTween
Addressables
Firebase
Unity Analytics
AdMob
Google Play Games Services
Unity IAP
Git version control
Mobile game optimization
What We Expect
Strong communication
Weekly progress updates
Clean Git commits
On-time delivery
Ability to suggest gameplay improvements
Experience building casual mobile games

Please include the following in your proposal:

Portfolio of Unity mobile games.
Links to published Google Play or App Store games (if available).
Estimated timeline.
Fixed-price or hourly rate.
Similar projects you have completed.
Unity experience in years.
Experience with Firebase, AdMob, and Google Play Services.