https://www.pcgamer.com/darwin-project-debuts-on-steam-early-access-next-week/

Darwin Project, the Hunger Games-styled battle royale/survival romp through the Canadian north, will hit Steam Early Access on March 9, developer Scavengers Studio announced today. The Early Access launch marks "the next stage of development," and all the features that were seen in the most recent beta test are now permanent elements of the game. 

At the top of that list are Spectator Interactions, which enable viewers on Twitch and Mixer to influence the Show Director's decisions, and thus what happens on the battlefield: Show Directors have the ability to introduce elements to the game that can help or hinder players as they see fit.