Screw Pin Jam: Nuts & Bolts is an addictive and relaxing puzzle game developed as a complete Unity project. Players carefully unscrew bolts and place them into matching color toolboxes, solving layered mechanical puzzles that grow more complex with each level. Success depends on smart planning and choosing the correct order of moves to clear obstacles efficiently.
The project features 370 handcrafted levels with steadily increasing difficulty, offering long-term engagement for both casual players and puzzle enthusiasts. Strategic boosters are available to help players overcome tougher stages, while ASMR-style sound effects create a calming and satisfying gameplay atmosphere. Simple tap controls make the game easy to learn, yet the layered puzzle design maintains depth and challenge.
The Unity source code is clean, optimized, and easy to customize or reskin. Built for Unity 2022 or higher, Screw Pin Jam: Nuts & Bolts provides a polished and scalable foundation for developers looking to publish a screw-based puzzle game with relaxing gameplay and strong replay value.
Key Features
Relaxing screw-based puzzle gameplay
Unscrew bolts and match them to color toolboxes
370 handcrafted levels with increasing difficulty
Layered puzzles requiring smart planning
Strategic boosters for challenging stages
ASMR-style sound effects for a calming experience
Simple tap controls with deep puzzle mechanics
Clean, optimized, and easy-to-customize Unity source code
Platform
Engine: Unity 2022 or higher