W:A language pack page.
WA Localizer is required. You can get it here:
http://worms2d.info/WA_Localizer

Currently available language packs:

• Italiano (ID: 2) v1.1 - full, with many fixes and Advanced options screen, by Alby1087 and Atr0x. (20.09.2011)
• Русский (ID: 8) с исправлением очепяток от StepS (20.08.2011)
• Polski (ID: 9) v5.0 by Alternax, balver, maclauren (30.10.2011)
• Empty (ID: 254), no language at all, by StepS.