Level: 2
| English | FREE RADICALS |
| Spanish | RADICAL LIBRE |
| German | FREIE RADIKALE |
| French | RADICAUX LIBRES |
| Netherlands | VRIJE RADICALEN |
| Italian | RADICALI LIBERI |
| Russian | СВОБОДНЫЕ РАДИКАЛЫ |
| Portuguese | RADICAIS LIVRES |
| Swedish | FRIA RADIKALER |
| Danish | FRIE RADIKALER |
| Norwegian | FRIE RADIKALER |
| Finnish | VAPAAT RADIKAALIT |
| Turkish | |
| Polish | |
| Greek | ΕΛΕΥΘΕΡΕΣ ΡΙΖΕΣ |
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| Czech | VOLNÉ RADIKÁLY |
| Lithuanian | SENĖJIMAS |
| Latvian | BRĪVIE RADIKĀĻI |
| Estonian | |
| Korean | |
| Hungarian | SZABADGYÖKÖK |
| Romanian | RADICALI LIBERI |
| Spanish(LA) | RADICAL LIBRE |
| Portuguese(Br) | RADICAIS LIVRES |
| Belarusian (be) | |
| Bulgarian (bg) | СВОБОДНИ РАДИКАЛИ |
| Ukrainian (uk) | |
| Serbian (sr) | |
| Croatian (hr) | SLOBODNI RADIKALI |
| Slovak (sk) | VOĽNÉ RADIKÁLY |
| Slovenian (sl) | PROSTI RADIKALI |
| Arabic (ar) | |
| Hebrew (he) | רדיקלים חופשיים |
| Thai (th) | |
| Indonesian (id) | |
| Malay (ms) | |
| Philipines (tl) | |
| French(Ca) | RADICAUX LIBRES |
| ENGLISH(UK) | FREE RADICALS |