Like Ragnarok's Norse mythology, Assassin's Creed Valhalla starts in the Viking age of Britain's history. The RPG system in the title is similar to God of War Ragnarok.
The Witcher 3: Wild Hunt is no doubt a great game and has been popular ever since it came. Geralt's power and abilities may remind you of Kratos', and the world inside the game is again similar to that of Ragnarok's full of beasts and creatures.
Horizon Forbidden West is another game that offers a similar experience as the new GOW Ragnarok. It has an open-world environment with monsters and animalistic machines.
Hellblade: Senua's Sacrifice brings influences from Norse mythology. The story starts in the Viking age with warrior Senua looking for Hela, the afterlife Goddess from Norse mythology, to retrieve the soul of her dead lover.
A Plague Tale is a grim tale of a young brother and sister surrounded by swarms of rats and dangerous enemies. The 14th-century tale set in France may offer you an adventurous experience similar to God of War Ragnarok.
An apocalyptic tale like The Last of Us is what you can try, if not already, to get a thrilling experience. Similar to the bond between Kratos and Atreus, the game shows Joel and Ellie's father-daughter relationship.
Back to the jungle and tombs, the Shadow of Tomb Raider is the story of Lara, who gets into the Mayan apocalypse while dealing with antagonist Dominguez. Interestingly, you also get to play as young Lara.