A free program for Android, by Alcyone.

This is a block puzzle game with colorful cartoon-like graphics. It’s a puzzle game for both kids and adults.It is a simple game that will train your brain and logic skills. It is entertaining to play with 225 enjoyable levels, eye-catching cartoon-like graphics, and great attention to detail.The game is easy to learn on the 4×4 grid slide, similar to 15 Puzzle, with only four columns & rows, but also unique and different gameplay.Once you get the hang of it quickly, you will get into the flow, but watch out! Once some monsters are together, they may get in the way, and hard to unblock other blocks to find a way out.The game is suitable for kids and adults, a fun game to play within the family that will train your brain and logic skills.There are three difficulty levels: easy, medium, and challenging.