Some titles that randomly released or I stumbled upon...

The Turning: System Reboot: A Post-Apocalyptic LitRPG by Kenny King was released 4/3 in ebook/KU

Pushing Back Inevitability - LITRPG: Book 1 by Tall Owl released 4/3 in ebook/KU

Physics of the Apocalypse 1: A LitRPG Apocalypse Saga by Dimitrios Gkirgkiris comes out 4/13 in ebook/KU

Mad Master Alchemist: A LitRPG Adventure by Seth Ring comes out 4/25 in ebook/KU