Jotun: Valhalla Edition, Free on Steam & GOG

[Elixer]

https://www.gog.com/game/jotun

http://store.steampowered.com/app/323580/Jotun_Valhalla_Edition/

About: Jotun 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.