inZOI supports the following thirteen languages.
| Interface | Subtitles | |
| Korean | ✔ | ✔ |
| English | ✔ | ✔ |
| German | ✔ | ✔ |
| French | ✔ | ✔ |
| Italian | ✔ | ✔ |
| Polish | ✔ | ✔ |
| Spanish - Spain | ✔ | ✔ |
| Russian | ✔ | ✔ |
| Japanese | ✔ | ✔ |
| Simplified Chinese | ✔ | ✔ |
| Traditional Chinese | ✔ | ✔ |
| Portuguese - Brazil | ✔ | ✔ |
| Portuguese - Portugal | ✔ | ✔ |