The Spanish House MercurySteam announced today that their shooter Raiders of The Broken Planet , which many have so far been able to experience in beta, will arrive on September 22 in a free Edition " Prologue ", which will include a variety of content, including two large missions divided into four parts, more characters to play with and a total access to both single player and multiplayer online.

In addition to these free content, the same day comes the first title campaign, playable in both single and multiplayer, entitled Alien Myths . This content will be priced at 9.99 Euros and will include several hours of additional content, including new characters, new missions and a separate story that will expand the world of Raiders of The Broken Planet .

The game will see us choose our character and partner with three other players on an adventure "against-operational". The main idea behind the game is something like Dark Souls, where only one player, the antagonist , can invade a game as soon as it starts and choose to fight the bad guys against a team of four other real players. The purpose of the antagonist is simply obstruct the four "good", preventing them from getting the goals of its mission.

Three other campaigns will be released at regular intervals: Wardog Fury, Hades Betrayal and Council's Apocalypse . Each campaign will include a new parallel history, adding new characters and offering exceptional value. Thanks to parallel stories, players will participate in each campaign at any time, without missing a thing the plot, but especially without having to play the campaigns in a certain order.

The announcement is accompanied by a new trailer for the game dedicated to the campaign we show you below Alien Myths:.