Screw & Bolt 3D Tighten, twist, and unlock the world of mechanics! Screw & Bolt is a fun and brain-teasing 3D puzzle game, where every level challenges your logic and precision. Rotate screws, unscrew bolts, and solve mechanical puzzles to progress through increasingly tricky structures. With realistic 3D physics, smooth controls, and engaging visuals, each challenge feels satisfying to solve. Whether you’re loosening a jammed bolt or securing parts into place, strategy and timing are key.