"The Istrys" is a free puzzle game available on Android developed by Hohng LLC. It is a collection of 3D match 2 puzzle games, including Cubistry™, with 30+ previously released levels available to play in both portrait and landscape views. In addition to the singleplayer mode with 17 different modes, there are also 2 multiplayer modes available.

The game is free to play with no ads, but players can subscribe to play all new Istrys that are added every month. With more than 45+ Istrys available and new ones being added, players can enjoy hours of puzzle-solving fun. Overall, "The Istrys" is a great choice for puzzle game fans looking for a variety of modes and levels to play.