Riddle Master is a free IQ puzzle game that challenges players to solve tricky questions and test their brain power. Available on iPhone, this game is perfect for those who want to put their critical thinking and problem-solving skills to the test.

The game consists of a series of increasingly difficult riddles that require players to think outside the box. The questions are presented in a fun and engaging way, with colorful graphics and an intuitive user interface. The game is easy to pick up, but difficult to put down.

Overall, Riddle Master is a great choice for anyone looking for a challenging and entertaining puzzle game. Whether you're a casual gamer or a seasoned pro, this game is sure to keep you entertained for hours on end.