My mom play Piano Tiles saga UU'
Based on the context, it seems obvious to me that this is a typographical error and that the author is referring to Hela, daughter of Loki and...
The first one I think is: I reincarnated for nothing in Wuxiaworld, and the second I have no idea.
Maybe:A monster who level up
Try Battle for Wesnoth in Steam
Tales of Phantasia
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Separate names with a comma.