Skirmish Matches are mathces which can only be played between the player and the AI. Unlike campaigns, these provide you with all units at once, but there is still a tech tree though. There are 5 colors for you to choose for your race; Red, Blue, Yellow, Green and Purple (The Chrome color that the good Wardens use are only available in campaign mode). You can also choose all three races to play with unlike campaign mode which requires you to complete the campaign before the on in order to play as that specific race. The difficulties for Skirmish Matches are Rookie, Novice, Expert and Pro.