16 Squares is a simple and challenging puzzle game available on the iPhone platform. The objective of the game is to combine tiles in order to reach higher numbers. With its easy-to-use drag and drop mechanics, players can strategically place tiles on the board.

The gameplay revolves around combining tiles with the same number next to each other to create higher numbers. As players successfully combine tiles, they can unlock powerful explosions by merging two "10" tiles, which destroy all nearby tiles.

The game offers endless hours of gameplay, making it highly addicting for puzzle game enthusiasts. However, players must be careful as the board fills up, leading to a game over.

Overall, 16 Squares provides a challenging and engaging puzzle experience for iPhone users. Its addictive nature and simple mechanics make it a great choice for those looking to test their puzzle-solving skills.