The main mode of the game, and the easiest to start with. Pick a pilot, and then a bot, and fight all the other pilots in random bots, to meet the final boss to defeat the game.
This mode also have the most difficulty settings, so it can be made into the easiest or the hardest mode in the game, including two hidden harder difficulties. And is the main focus of the story of the game, and thus sometimes gets called Story mode.
It does have a few unique mechanics not found in the other modes: