The game is being released as set of standalone campaigns that can be played in any order. The Prologue is the base of the game which contains 2 full missions and will be permanently free on the games release.The first campaign Alien Myths will be available for purchase the same day. It contains new characters and missions with a story that will continue to build on the games world.There is a total of 4 campaigns currently announced and they are designed to be playable in any order.The game is a short campaign based co-op shooter that has multiple missions linked together. It has a 4v1 game mode that puts your team against a random online opponent who will also be using one of the games playable characters while interfering in your missions as you play.