Back at December 2023, an announcement on Twitter was made about an upcoming game. No further details was announced.
https://twitter.com/RagmonNFT/status/1737736690943623265
Yesterday around April 17, 2024, several websites have announced that Ronin (SkyMavis) and Gravity have partnered to publish a new game - Ragnarok: Monster World - to be released around later this year. The upcoming game will be utilizing similar mechanics to that of Axie Infinity, where players can purchase(?) monsters to be used within the game.
Further explanations can be found on various websites such as these:
https://decrypt.co/226802/ragnarok-online-franchise-ethereum-gaming-network-ronin
https://bitpinas.com/business/ragnarok-monster-world-ronin/
The original Ragnarok Online game is a MMORPG based on the manhwa by Lee Myung-jin, played on the PC, and has since been adapted to various platforms like mobile devices. There is yet no information on which platform/s Ragnarok: Monster World will be available on, but it is speculated that it will be a cross-platform game.