First off is the board, which, unlike a normal chess board, is multicolored, and each piece also has a colored base. If a piece is on a square which matches the color of its base, then only pieces with the same color base can capture it. This ingenious rule adds a new level of strategy when placing one's pieces.
Secondly, the goal of the game is not to checkmate the enemy King. In this game, the King is a powerful, immortal piece, whose goal is to occupy the opponent's King's starting square. The movement powers of the King are vastly increased from normal chess, making the King a power to be reckoned with.
The result is a game that plays very differently than chess, with different strategies and different game mechanics. I found the game to be fun, although I did lose the game due to my opponent figuring out that the King, instead of being one of the weakest pieces on the board, was one of the most powerful. He used his King to decimate my army, and was able to force his way to my King's square.
Some other notes: