Undertale
✗Official Simplified Chinese: no
✗Official Traditional Chinese: no
✓Official Japanese: yes
Language support As of 2026-10-20
| Language | Official support | Full audio |
|---|---|---|
| Trad. Chinese | No | No |
| Simp. Chinese | No | No |
| Japanese | Yes | No |
| Korean | No | No |
| English | Yes | No |
Based on the official language list on the game's Steam page.
Review languages 345,617 reviews
Counted by the language each Steam review was written in — a rough measure of how many players use each language.
Sources
- Steam store data (name, languages, reviews, price, release date) — As of 2026-10-20