Sokoban Original & Extra is a free Android game developed by Orange Void. It is an implementation of the classic Sokoban puzzle game, where the goal is to push boxes to the storage locations to solve the puzzle. The game features more than 650 levels, including the original levels and fan-made levels. New levels are added periodically to keep the game fresh.

The game offers different difficulty levels and sizes, ranging from very easy to very hard. It has a clean interface and supports both landscape and portrait modes. It is designed for both tablets and phones and offers virtual gamepad or swipe controls. Additionally, the game has unlimited undo functionality, giving players the freedom to experiment with different moves without fear of making mistakes.