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Throughout the game, various small translation and spelling errors and some overlooked and strange things can be found. They are by no means game-breaking, but they give the game a somewhat rushed feeling when compared to previously localized work within the series.
Overlooked Things[]

- When playing as Nate while in Springdale, Opening the map will display all of the area names in Japanese. This was however, fixed in a patch later on.

- The name sign in Pecan Port still says Nolan Port, the area's original Japanese name. This was fixed in a later patch.

- Something similar is present in East Pine, where several signs say ''Welcome to East Cashew'', which is also an original name from the JP version. This was also fixed in a patch,

- A Babblong in Northbeech still informs the player about the Dream Medal function and the Summon app. Both are things that were removed from the localized versions of the game completely.

A picture of the glitch
- Selling something worth at least $10000 such as 5+ Black Dolls causes the numbers to render over the currency symbol
Spelling Errors[]
Various typos and spelling errors are present in the game during dialogue, seemingly more than any other game in the entire series.

- There are also several grammar issues spread through the game.
Other[]
- The Grand Aura Box key item says it has a close-up function in the inventory. Though when the A-button is pressed, nothing happens.
- When challenging the gym, the old man in the ring is referred to as Mr.E.
Glitches[]
Various glitches are known to exist in both the Japanese and localized versions.
Sighborg Y Glitch[]
In the Japanese version, it was possible that when a player's Sighborg Y turned an enemy Yo-kai into another Sighborg Y while said Yo-kai was charging up their Soultimate, the model of Sighborg Y will be used instead, making it look like he is doing a different Soultimate altogether. This was patched out in localized versions.
Texture Load Failure[]
For unknown reasons, entering either Southmond or Mount Wildwood sometimes causes all of the textures to not load properly. Only the NPCs are left intact, but objects like cars, trees, and houses display no textures at all, along with some lighting and shadow issues.
It unknown why this glitch happens in the first place and it is completely random.
"Show objectives" not working[]

Even if the player turns "Show objectives" off, the objective will sometimes reappear. A cause of this is viewing the map on the top screen. This can be fixed by turning show objectives on, going back to the game, then turning it off again.
Sequence Breaking[]
This glitch will cause Nate to be playable in Springdale before the game is even finished. It can only be triggered during the first visit at Yopple HQ during chapter 6. To perform it, all the player needs to do is start the team battle in the fighting room after talking to Yopple-Bot.
As soon as the player starts the battle, right before any Yo-kai does a move, the battle must be given up after pressing START. The battle will be lost.
Now the player is supposed to reappear before Yopple-Bot in the fighting room. If said actions were done correctly, for some reason, the player will end up in front of Timers & More in Blossom Heights, Springdale. This allows the player to move around the city freely as Nate, with Hailey Anne still following behind him.
Although not confirmed, saving the game while in this state is rumored to corrupt the save data. Therefore it's wise to avoid doing this.
As of now, it remains unknown why this glitch happens in the first place.
Yo-kai Cleaner crash[]
Sometimes, setting the Yo-kai Cleaner to do its job in an open area can cause the game to crash without warning.
Wrong Item Image[]

An example of the glitch
Sometimes, it says you got, for example, a Starry Spangles and displays an Iron Doll.