Merge Prison: Hidden Puzzle is a captivating game that challenges players to merge tools to break out of a prison. Developed by Blue Ultra Game Limited, this free iPhone game offers a unique experience in the puzzle genre. Players can craft contraband, bribe inmates and guards, and uncover secrets about the prison while relaxing and enjoying the gameplay.

Players can utilize the "MERGE" feature to create a variety of escape tools by merging different items. These tools are essential for solving puzzles and navigating towards the exit. Additionally, merging contraband goods allows players to bribe fellow inmates and guards, adding strategic depth to the gameplay.