Monument Valley is a critically acclaimed puzzle game developed by Ustwo Games. Released in 2014, the game gained praise for its artistic design, which draws inspiration from the works of M.C. Escher. In Monument Valley, players guide a princess named Ida through a series of visually stunning, impossible landscapes, using optical illusions and architectural tricks to solve puzzles. The game stands out not only for its visuals but also for its minimalistic approach to storytelling and gameplay, creating a serene and immersive experience.

Monument Valley was a commercial success, selling over 26 million copies worldwide across multiple platforms, including mobile devices. It was one of the first mobile games to showcase how gaming could be considered an art form, breaking boundaries in both design and interaction. The game was followed by a sequel, Monument Valley 2, which built upon the original's mechanics while introducing a second character to navigate the puzzles. Monument Valley's legacy continues to influence mobile game design, particularly in the realm of minimalist, visually driven puzzle games.