Ragnarok Online
Nidhogg appears in games such as "Fate of the Norns,""Tower of Saviors"," "Age of Mythology," "Final Fantasy XI," "Final Fantasy XIV," "Megami Tensei," "World of Warcraft, Ragnarok Online, and the 2014 indie fencing game Nidhogg, as well as its 2017 sequel, Nidhogg 2.