Map & Nav will help you get started with a game where you need a tile based grid system. This is especially useful for strategy games and board games.
More Info on the Unity Forum
* Full source code (C#)
* Hexagon and Square tile layouts
* Tools to quickly create new layouts/maps
* Custom inspector and Editor windows
* Easy setup of 'tile-type masks' (ex. land, water, wall, etc)
* Variable Height Nodes & Tools for easy setup of node heights
* Unit movement options (hug / align to floor / terrain mesh and jump)
* iOS / Android support
* Various sample scenes