Explore the seabed and tighten the nut. Screw the Nut 3 is an underwater-themed physics-based puzzle game. In a nutshell, help the screw and the nut make one piece — and don't screw up while doing it! Screw the Nut 3, puzzle game, underwater puzzle, brain teaser, logic puzzle, physics puzzle, connect the dots, screw nut, brain challenge, logic game, brain training, problem solving, spatial reasoning, mobile game, touchscreen game, easy to play, challenging puzzles, educational game, puzzle game for kids