[Radoye]

International addons:

http://www.rrgstudios.com/EN_02_03_BoE.shtml
http://www.justflight.com/product.asp?pid=16

http://www.pluswave.de/html/pwx_english.html

http://www.matrixgames.com/products/303 ... en.Battles
http://www.matrixgames.com/products/302 ... en.Battles
http://www.matrixgames.com/products/311 ... c.Fighters
http://www.matrixgames.com/products/292 ... en.Battles
http://www.justflight.com/product.asp?pid=56

Russian addons:

http://games.1c.ru/warroads2/
http://games.1c.ru/chuzoe_nebo/
http://games.1c.ru/okinawa/
http://games.1c.ru/holodnoe_nebo_zapolarya/

German addons:

http://www.desastersoft.com/index.php?p ... on_daut_se
http://www.desastersoft.com/index.php?p ... addon_dsva
http://www.desastersoft.com/index.php?p ... =addon_ww2
http://www.desastersoft.com/index.php?p ... n_overlord


You can also look on Amazon or on Ebay or even try torrents if you're not afraid your karma will be doomed for eternity because of using pirated software.