Overlapse - XOR Shape Puzzle Game | Android (Kotlin + Jetpack Compose)

Overlapse is a complete, native Android puzzle game built with Kotlin + Jetpack Compose (Material 3) and a clean MVVM architecture. Drag and overlap shapes so their XOR silhouette matches the target. Simple to learn, satisfying to master — and easy to reskin and publish as your own.

Features

• Unique XOR silhouette-matching puzzle mechanic
• 100 levels across 4 chapters, with a 1–3 star rating system
• Smooth drag & drop on a Compose Canvas board (shapes stay inside the frame)
• Goal preview, progress bar with star thresholds, animated win screen
• Progress saved locally (DataStore) — fully offline, no backend needed
• Sound effects + clean pixel-art "sunny" UI
• AdMob ready: banner + interstitial (test IDs included)
• Clean MVVM code: model / data / domain / viewmodel / ui packages

What's included

• Full Android Studio project (Kotlin + Jetpack Compose)
• All source code, assets, sounds and adaptive launcher icons
• Reskin & setup guide + license + third-party notices

Requirements

• Android Studio (Ladybug 2024.2+), JDK 17
• minSdk 28 (Android 9.0), compileSdk 36

Easy to reskin

Change the app name, package ID, icon, colors and font in minutes — full guide included. Replace the AdMob test IDs with your own and publish under your own developer account.

Note: ships with Google's AdMob TEST ad IDs (replace before publishing). Bundled font "Press Start 2P" is under SIL OFL — license file included.