HexaCity is an addictive strategy puzzle game with city-building elements. It is available on Android and free to download. The game comes with a 3D isometric map and allows hexagonal matching with all six adjacent cells. This feature gives you unlimited moves to build your city.

To play the game, you need to match three or more same buildings in adjacent cells. By doing so, the buildings turn into a new building with a higher level. The game ends when your city fills all the available plots of the island.

The best thing about this game is that it is free and does not contain any ads. So, you can enjoy building your megacity without any interruptions.

Overall, HexaCity is a well-designed puzzle game that offers a unique twist with its city-building elements. The game is easy to play and perfect for anyone who loves strategy games.