This is a paid asset, but now you can download Puzzle Match Kit Free.
Detail this asset from Unity Store: Original Link
Puzzle Match Kit v1.6.0 (Latest version)
The #1 match-2 kit for Unity.
Puzzle Match Kit is the most complete tool to create your own match-2 games with Unity.
Documentation
WebGL demo
Frequently asked questions
Features:
• Easy-to-use visual editor to change the properties of your game and create your own levels without knowing how to program.
• The game tiles are prefabs and therefore can contain animations and extra features.
• Many block, booster (with combos) and blocker types supported. In addition to appearing as a result of matches, boosters can also be purchased in-game.
• Optimized for mobile: the UI scales across different resolutions and game objects are pooled to keep the amount of garbage generated at runtime to a minimum.
• 30 unique levels included that you can use as a starting point for your own game.
• Support for rewarded ads with Unity Ads.
• Support for in-app purchases with Unity IAP.
• Complete set of unique graphics, animations and effects designed by ricimi.
• Complete and extensively documented C# source code included.
The kit includes the exported .PNG files of all the graphics. If you are also interested in the source .PSD files, you can purchase them separately from here.
This asset uses the free Full Serializer library (license here) and the free LeanTween library (license here). See Third-PartyNotices.txt file in package for details.