Puzzle Solver is a free Android game developed by Kostas Giannakakis. It falls under the category of puzzle games and offers a collection of well-known riddles. The game includes popular riddles like "8 Queens," "Knight's tour," "Solo," and "Lights." Puzzle Solver offers variations for all games, and players can also use computer search to find a solution.

The game provides an enjoyable and challenging experience for puzzle enthusiasts. It is easy to use, and the interface is user-friendly. The game's graphics are simple but engaging, with a focus on the gameplay. Puzzle Solver is an excellent choice for those who enjoy solving riddles and puzzles.