As revealed by Turtle Rock Studios, Back 4 Blood closed alpha is set to be released on December 17th and you can sign-up now if you are seeking for an invitation to this early build of the game.After launching Evolved in the early years of the last generation of consoles, we haven't heard anything from its developers until 2019, when they officially announced Back 4 Blood as their brand new project. However, it took them almost two years to finally share the first trailer from the game at The Game Awards 2020.

As of now, you can sign up for the closed alpha test of Back 4 Blood through the game's official website. The session starts on December 17 and ends on December 21st. The closed alpha phase will only available in some select countries, so make sure to check out the list of supported countries before registering.

Launching later in June next year, Back 4 Blood is a co-operative first-person shooter where you have to deal with hordes of zombies and wipe your way out of enemies. The game had a solid showcase at The Game Awards this year and soon turn into one of the most anticipated games of 2021 for a lot of Left 4 Dead fans. In fact, the upcoming title is a spiritual successor for Left 4 Dead 2, according to the development team.

Before starting work on Back 4 Blood, Turtle Rock Studios was working on a canceled project called Invaders. It's anyone's guess why the team abandoned that project, but their current title seems promising and fan-favorite enough to forget about Invaders.

Earlier in 2019, Turtle Rock Studios reached an agreement with Warner Bros. to take the publishing right of Back 4 Blood. The game will be available on PS4, Xbox One, PS5, Xbox Series X, Xbox Series S, and PC on June 22nd next year.