Well, according to the comment literally below yours, it's not exactly abandoned, but it's uncertain when the next chapter will be released. For now, we'll just have to wait for more news from the author.
Well, the only thing that keeps me hoping for updates in these types of games is because of some like Corruptant, since it started out quite active, receiving two updates in less than two months after its release in 2024, and then its creator casually abandoned it for two years, and it only received an update two months ago so yeah. The real cause for concern is when there's no news for over a year, not only about the game but even about its creator.
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Just in case you're curious, here's the link to Corruptant.