Leonard Poire, the renowned treasure hunter, passed away years ago. Although most of the treasures he found were since pillaged by bandits, he left behind a series of cryptic clues about a mythical treasure that only a hunter as skilled as him could find.

Mai, an unassuming girl, has always fantasized about visiting a world full of treasure and excitement. When she finally finds her way to one, she discovers that the people there are just like her: obsessed with treasure! It's a world of treasure hunters and bandits alike.

She wanted to explore this new world with her best friend Kenichi, but instead, their adversary Takuya comes with her. Even worse, he's acquired mysterious powers in the process of coming to the new world and joined forces with its wicked inhabitants.

The world is populated with magical creatures, from yetis to deities, all of whom may pose a danger to Mai on her journey. Will Mai make her dreams come true, or will she falter before the multitude of foes who oppose her? Defeat all adversaries and solve the riddles along the way to find the legendary treasure!

• Every weapon will teach you new abilities to use in battle. Use status effects and strategy to take down your enemies!
• Explore and solve riddles to gain more powerful weapons and items. But be warned: while bosses have a fixed strength, regular enemies become stronger as Mai does! Simple grinding won't be enough to win without strategy!
• Explore a Vast World - The world of Merlin is full of optional adventures, ranging from the humorous to the sorrowful. It's up to you which ones you want to pursue.
• Choose Your Approach - Resolutely take down every obstacle or take the easy way out and accept Takuya's help. It's your choice which path to take.
• Get the Best Ending - Mai and the Legendary Treasure has a full 10 endings, ranging from heartbreaking to triumphant. Only by following the best path can you obtain the true ending.

• OS: Windows® 7/8/8.1/10/11
  
• Processor: Intel Core2 Duo or better
  
• Memory: 4 GB RAM
  
• Graphics: DirectX 9/OpenGL 4.1 capable GPU
  
• DirectX: Version 9.0
  
• Storage: 1 GB available space
  
• Additional Notes: 1280x768 or better Display. Lag may occur from loading menus or maps. Turn off other programs before running the game.

• OS: Windows® 7/8/8.1/10/11
  
• Processor: 2+ GHz Processor
  
• Memory: 4 GB RAM
  
• Graphics: OpenGL ES 2.0 hardware driver support required for WebGL acceleration. (AMD Catalyst 10.9, nVidia 358.50)
  
• DirectX: Version 9.0
  
• Storage: 4 GB available space
  
• Additional Notes: 1280x768 or better Display. Lag may occur from loading menus or maps. Turn off other programs before running the game.