Hidden Express is a puzzle game that takes you on an adventure as the hero of the story. With its 3D graphics engine and unique storyline, the game offers a captivating experience. In story mode, you'll travel through the land of the Hidden Express, solving puzzles along the way. The puzzles are presented in a comic book style, adding an extra layer of immersion. As you complete puzzles, you'll earn coins and experience points. Hidden Express also features an endless mode, allowing you to play through the story mode and puzzles in a non-linear fashion. While the game is free to play, there are in-app purchases available, including the option to buy coins with real money to progress faster.