Arcadia City

Arcadia City is believed to be the fourth campaign mission for Halo Wars. Editors from Official Xbox Magazine were invited to play the first five campaign missions from the game, but only revealed the name of this mission, stating it to be their favorite.

This level gives you control of Spartans for the first time. In this mission, your task is to protect civilians as they run toward three evacuation ships. They say this mission is also a good showcase for Halo Wars cooperative mode, it may also be a level in Halo Wars where you fight the Flood.

As per its title, the level takes place in the planet of Arcadia, a popular UNSC colony world.