How to Change Games Language from Registry

BulletStorm
1-Open Registry: (WIN+R) enter regedit
2-In the Registry editor, find the key HKEY_LOCAL_MACHINE\SOFTWARE\BulletStorm
3-Change "Locale" string to your language

for Deutsch
"Locale"="1031"

for English
"Locale"="1033"

for Français
"Locale"="1036"

for Italiano
"Locale"="1040"

for Polski
"Locale"="1045"

for Russian 
"Locale"="1049" 
  
for Español 
"Locale"="3082"


Crysis 2
1-Open Registry: (WIN+R) enter regedit
2-In the Registry editor, find the key HKEY_LOCAL_MACHINE\SOFTWARE\Crytek\Crysis 2
3-Change "Locale" and "Language" strings to your language
for Chinese
"Locale"="zh_tw"
"Language"="Chinese (Traditional)"

for Deutsch
"Locale"="de"
"Language"="German"

for English
"Locale"="en_US"
"Language"="English (US)"

for Français
"Locale"="fr"
"Language"="French"

for Russian
"Locale"="ru"
"Language"="Russian"

for Türkçe
"Locale"="tr"
"Language"="Turkish"


Dead Space 2
1-Open Registry: (WIN+R) enter regedit
2-In the Registry editor, find the key HKEY_LOCAL_MACHINE\SOFTWARE\EA GAMES\Dead Space 2
3-Change "Locale" and "Language" strings to your language

for English
"Locale"="en"
"Language"="English"

for Russian
"Locale"="ru"
"Language"="Russian" 


Left 4 Dead
1-Open Registry: (WIN+R) enter regedit
2-In the Registry editor, find the key HKEY_CURRENT_USER\Software\Valve\Steam
3-Change "Language" string to your language

for English
"Language"="english"

for Russian
"Language"="russian" 

Source