Developer Cogwheel Software and publisher Daedalic Entertainment have announced their new sci-fi thriller Hidden Deep scheduled to release on PC in 2021. Players will explore a vast suboceanic research and mining facility inhabited by alien creatures brought to life in a 2D game world full of action, mystery and danger. For players wanting to get a taste of what's in store, a demo version of Hidden Deep will be available during the Steam Games Festival: February 2021 from February 3rd to February 9th.