Cool Laser is a free casual puzzle game developed by DDDigit for Android devices. The game falls under the puzzle subcategory and is designed to challenge players to think critically and strategically. The game has a simple rule - let the laser pass through all the holes to clear a level using the light refraction principle.

The game is easy to play and has a straightforward interface. Players can easily navigate through the game's different levels, and the game's difficulty increases as the player progresses. The game has different levels, and the challenges get harder as the player advances to higher levels.

Cool Laser is free to download and play, and all coins in the app are free. The game has no in-app purchases, and all levels are accessible for free. The game is a great way to pass the time and challenge your mind. If you have any feedback or ideas about the game, the developers would appreciate it. Thanks for your support!