Free for a limited time.
Jotun: Valhalla Edition
is a hand-drawn action-exploration game set in Norse mythology. In Jotun, you play Thora, a Viking warrior who died an inglorious death and must prove herself to the Gods to enter Valhalla. Impress the Gods!
Release date: 29 Sep, 2015
Steam review: mostly positive(store.steampowered.com)
Prey
you awaken aboard Talos I, a space station orbiting the moon in the year 2032. You are the key subject of an experiment meant to alter humanity forever – but things have gone terribly wrong.
Release date: 5 May, 2017
Steam review: very positive(store.steampowered.com)
Redout: Enhanced Edition(store.epicgames.com) is also free.