Samurai Sudoku 5 Small Merged is a free puzzle game developed by Stanley Lam, available on Android. The game consists of five overlapping sudoku grids, and the basic sudoku rules apply to each 9 x 9 grid. The objective is to fill numbers in the board such that every row, column, and region contains one occurrence of each number.

The game offers five difficulty levels and three zoom levels, making it accessible to players of all skill levels. Additionally, the "Hint" feature allows the board to be auto-filled with memo that has no direct conflicts with other numbers. The game also highlights wrong numbers and same numbers as you select a number on the board. It also saves the progress of unfinished levels and records the best completion time for each level. The game encourages players to complete as many levels as possible.

Overall, Samurai Sudoku 5 Small Merged is a challenging and enjoyable game for puzzle enthusiasts. If you encounter any issues while playing the game, you can contact the developer by sending an email to