Kero Quest 64 is a Collectathon 3D Platformer inspired by other games in the genre, especially those from the late 90s. You take control of Kero, a blue frog seeking to stop a prince from abusing his newly gained powers by collecting Magical Shards around the kingdom.
Do you mean specifically N64 art style or just semi-open 3D platformers?
Because even though lots of them are mediocre, you can still do these right for modern audiences. Super Mario Odyssey comes to mind, I had a blast playing it.