"たけしの挑戦状" is a game developed by TAITO Corporation for iPhone. It is the first game created by Beat Takeshi. The game presents a challenge where players must test their knowledge and skills.

The protagonist is an ordinary salaryman with an average income, a wife, and two children. His hobbies include playing pachinko and drinking. However, his mundane life takes an unexpected turn when he finds himself in an extraordinary world. This game is a comedy that follows the adventures of a man who is unexpectedly drawn into a different reality.

The game offers a unique challenge that goes beyond a simple challenge game. Players will face various obstacles and will have the opportunity to embark on a treasure hunt on a remote island. However, only a few will be able to clear this difficult stage. The game also features a microphone function that allows players to interact with characters and enjoy audio-based input.

Please note that there have been reports of issues with voice recognition on some devices.

"たけしの挑戦状" is available for iOS 8.0 and later. The game requires approximately 180MB of free space to install.