Level: 4
| English | INFUSORIA |
| Spanish | INFUSORIO |
| German | INFUSORIEN |
| French | INFUSOIRE |
| Netherlands | INFUSORIËN |
| Italian | CILIATO |
| Russian | ИНФУЗОРИЯ |
| Portuguese | INFUSÓRIO |
| Swedish | INFUSORIA |
| Danish | INFUSORIER |
| Norwegian | INFUSJONSDYR |
| Finnish | RIPSIELÄIN |
| Turkish | İNFÜSÖRİ |
| Polish | PIERWOTNIAK |
| Greek | ΕΓΧΥΜΑΤΙΚΑ ΜΙΚΡΟΒΙΑ |
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| Czech | NÁLEVNÍCI |
| Lithuanian | INFUZORIJA |
| Latvian | INZFUZORIJA |
| Estonian | RIPSLOOMAD |
| Korean | |
| Hungarian | INFUZÓRIUMOK |
| Romanian | INFUZORII |
| Spanish(LA) | INFUSORIO |
| Portuguese(Br) | INFUSÓRIO |
| Belarusian (be) | ІНФУЗОРЫЯ |
| Bulgarian (bg) | ИНФУЗОРИИ |
| Ukrainian (uk) | ІНФУЗОРІЯ |
| Serbian (sr) | ИНФУЗОРИЈЕ |
| Croatian (hr) | INFUZORIJE |
| Slovak (sk) | NÁLEVNÍK |
| Slovenian (sl) | PLANKTON |
| Arabic (ar) | المهدبات |
| Hebrew (he) | בחיידקים |
| Thai (th) | จุลชีวะเซลล์เดียว |
| Indonesian (id) | INFUSORIA |
| Malay (ms) | INFUSORIUM |
| Philipines (tl) | IMPUSORYA |
| French(Ca) | INFUSOIRE |
| ENGLISH(UK) | INFUSORIA |