Puzzzeni -Coin Exchange Puzzle is a free Android game developed by Koji Sato. It falls under the puzzle gaming category and is designed to keep you entertained for hours. The rules are simple: swipe the same coin to exchange, and the coins you tap first are exchanged.

The game starts with coins falling at regular intervals, and if they stack up to the ceiling, it's game over. The goal is to make 10,000 yen, which is quite an achievement. The game may seem easy at first, but as you progress, the challenge increases, and you will find yourself hooked.

Puzzzeni -Coin Exchange Puzzle is a tiny puzzle game that grows on you. It's the kind of game that you can start playing for a few minutes, but then end up spending hours on it. Overall, it's a fun and addictive game that is perfect for anyone who loves puzzles.