Screw Puzzle: Nut and Bolt

This casual puzzle puts your spatial reasoning to the test through a series of interlocking metal plates held together by screws and bolts. Each level presents a fresh configuration where the key is to unscrew the right fasteners in the correct order, letting gravity do its work as pieces drop away. The game’s tactile feel and gentle learning curve make it easy to pick up, yet the later stages demand careful observation and planning to avoid getting stuck. With dozens of handcrafted levels, the challenge grows steadily—introducing tricky angles, limited moves, and layered structures that reward patience. Whether you have a few minutes or want to unwind for longer, this satisfying loop of loosening, twisting, and clearing offers a calming yet engaging mental workout. There’s no timer rushing you, so you can experiment freely and enjoy the quiet satisfaction of each solved puzzle.