Short answer
Yes, you can switch it. Graveyard Keeper 2 has fully voiced story scenes in English, and the official FAQ confirms an option to swap between that voiced audio and the original game's mumbling. The voices that drew complaints in the reveal trailer were provisional; the demo and launch build use a different, better-received cast.
The Astrologer's Tower
View full-size image ↗Official promotional screenshot · © Lazy Bear Games / tinyBuild · Official media kit · Material credits
The option to switch voices
The official Steam FAQ answers it directly: "There will be an option to switch between the fully voiced audio and the original mumbling of the characters."
So players who preferred the first game's gibberish can have it back, and those who like the new performances can keep them.
Why the trailer voices caused a row
When the voiced trailer appeared, a Steam forum thread complained that the voices sounded childish and clashed with the game's dark tone, and asked whether they were AI-generated.
Replies pointed to the developers' statement that the trailer voices were provisional, with the final game offering professional voices plus the mumble option.
The thread's author later updated the post after playing the demo, calling its voice work "actually really good".
What reviewers thought
GameSpew wrote that "the actors on board all do a fantastic job, with a range of regional UK accents offering the game a great deal of character."
Steam Deck HQ also listed the fully voiced characters as a highlight, with cutscenes voiced throughout.
Their main complaint was not the acting but that cutscenes cannot be skipped or paused.
The Town harbour in the official media kit. Voiced story scenes take place across the world; this still has no audio attached.
View full-size image ↗Official promotional screenshot · © Lazy Bear Games / tinyBuild · Official media kit · Material credits
Which languages are voiced
The Steam language table lists full audio for English only.
Interface and subtitles cover eleven languages: English, French, German, Spanish (Spain), Japanese, Korean, Polish, Portuguese (Brazil), Russian, Simplified Chinese and Turkish.
If you play in another language, you will hear English voices with translated subtitles — or the mumbling, if you switch to it.
