Rune is an action-adventure video game developed by Human Head Studios. The game is based on Ragnarok, showing the conflict between the Gods Odin and Loki and the buildup to Ragnarok.Rune is an action-adventure video game developed by Human Head Studios. The game is based on Ragnarok, showing the conflict between the Gods Odin and Loki and the buildup to Ragnarok.Rune is an action-adventure video game developed by Human Head Studios. The game is based on Ragnarok, showing the conflict between the Gods Odin and Loki and the buildup to Ragnarok.