I would love to present you my Tile Editor1.3. Asset Store link: https://www.assetstore.unity3d.com/en/#!/content/23091 Video: Tile Editor is an easy-to-use and flexible editor extension for Unity which will help you create tile-based maps effeciently . With Tile Editor, you will be making creative levels in no time! Features - Intuitive workflows. - Edit directly in scene view . - Works with native 2D system. - Unlimited tile layers. - Alpha of tile layers can be configured. - Low drawcalls with tile sheets. - Tiles can be flipped and rotated. - Supports multiple tile sets. - Supports 2D physics. - Mobile friendly. - Full source code included. Tile Editor is now fully compatiable with Unity5.