Level: 2
| English | HOLLOW |
| Spanish | HUECO |
| German | HOHLRAUM |
| French | CREUX |
| Netherlands | HOL |
| Italian | VUOTO |
| Russian | ПУСТОТЕЛЫЙ |
| Portuguese | OCO |
| Swedish | IHÅLIG |
| Danish | HULNING |
| Norwegian | HUL |
| Finnish | ONTTO |
| Turkish | İÇİBOŞ |
| Polish | PUSTAK |
| Greek | ΚΟΙΛΟ |
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| Czech | DUTINA |
| Lithuanian | TUŠČIAS |
| Latvian | DOBS |
| Estonian | ÕÕNES |
| Korean | |
| Hungarian | ÜREGES |
| Romanian | CAVITATE |
| Spanish(LA) | HUECO |
| Portuguese(Br) | OCO |
| Belarusian (be) | ПУСТАЦЕЛЫ |
| Bulgarian (bg) | КУХ |
| Ukrainian (uk) | ПОРОЖНІЙ |
| Serbian (sr) | ПРАЗАН |
| Croatian (hr) | PRAZAN |
| Slovak (sk) | DUTÝ |
| Slovenian (sl) | VOTLO |
| Arabic (ar) | مجوف |
| Hebrew (he) | נבוב |
| Thai (th) | กลวง |
| Indonesian (id) | BERONGGA |
| Malay (ms) | BERLUBANG |
| Philipines (tl) | GUWANG |
| French(Ca) | CREUX |
| ENGLISH(UK) | HOLLOW |