Screw Master 3D: Pin Puzzle is a challenging game where the main goal is to solve various pin puzzles by strategically removing or inserting screws to clear paths and complete each level. It tests your problem-solving abilities and requires critical thinking for progressing through increasingly difficult puzzles.

Yes, the game is free to download and play. It offers optional in-app purchases that can enhance the experience, such as additional hints, removal of ads, or unique items. While you can enjoy the full game without spending money, these purchases can provide added benefits.

The game is available on Android and iOS devices. For Android, it requires version 5.0 or higher; for iOS, it requires iOS 10.0 or later. It is compatible with most smartphones and tablets, allowing you to play on multiple devices.

No, the game can be played offline, so an internet connection is not necessary. This makes it convenient for playing on the go or in areas with limited connectivity. However, some features like in-app purchases or updates may require internet access.

The game features ads that appear between levels or during gameplay to support free access. To remove ads, players can make a one-time in-app purchase, providing an uninterrupted gaming experience by eliminating ads entirely.