Deltarune Chapters 3 & 4 are complete, barring localization – Destructoid

Undertale and Deltarune developer Toby Fox has posted an update on the highly anticipated Deltarune Chapters 3 and 4. He says the Chapters are developmentally complete and are in the process of being localized for every region in which they’ll be released.

In Fox’s last update on Deltarune Chapters 3 and 4, he explained how the game would go on sale once Deltarune Chapter 4 was complete. While the blog post he’s shared explains how all of his work on developing both of these Chapters is done, they’re not finished and ready to go on sale just yet. He anticipates that Deltarune Chapter 3 will be ready for proper testing by mid-October and that he’ll know more about where Deltarune Chapter 4 sits in the next update blog he posts.

Not quite ready for your eyes

Image via Toby Fox

According to Fox, the content for Deltarune Chapter 3 was completed a while ago. At the time of writing, 8-4, a Japanese localization company, is working on the game’s translation. Its job is to ensure that every line is displayed correctly in Japanese. Then, in mid-October, the plan is to begin testing the game on PC to work out if everything is ready to go for a full release or if more work is required.

Deltarune Chapter 4 is much further behind, but its development also came after Chapter 3, so it’s to be expected. The content for both Chapter 3 and 4 was completed on September 1, 2024, which was an internal goal Fox and others in the team had set. Chapter 4 may need a few big fixes here and there, but the bulk of the work needed is the Japanese localization. This will happen as soon as Chapter 3 is fit for players, and a preliminary run-through is already underway.

To date, Fox explains that six people have played through Deltarune Chapter 4, and everyone’s enjoyed it. That’s all well and good, and the previous titles, Undertale included, really speak for themselves. But it would still be best to reserve judgment on how good each Chapter is until you’ve played them for yourself.

The final development detail from this blog post, which also includes a huge list of merch you can buy to celebrate Undertale‘s 9th anniversary, is a tidbit on Deltarune Chapter 5. Don’t get too excited. While yes, this Chapter is now being worked on, it’s the project that those who have completed work everywhere else are moved onto. It’s a great start, but we won’t be seeing that fifth Chapter very soon at all.


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