To start a match you just have to configure the launcher by filling in all the fields (your color, the map you want to play in, the number of opponents, your name, etc.) and, once you're ready, you just launch the game.
The name of the maps at your disposal can be found in the text file located in the game’s installation folder. Plus, together with the download you’ll find a levels editor that lets you create your own levels to play against the AI or against your friends.
The ZOD Engine has the same graphics as the classic Z, only with a higher resolution. So, it basically has great graphics with a clear attention o detail (snakes slithering through the ground, eagles flying, etc.)