Is The Bureau: XCOM Declassified RU restricted ?

It is restricted. It can only be run from within CIS countries.

I heard it was region locked.

http://steamdb.info/app/65930/

Edit: T̶h̶i̶s̶ ̶m̶e̶a̶n̶s̶ ̶i̶t̶'̶s̶ ̶n̶o̶t̶.̶ ̶T̶h̶e̶r̶e̶ ̶a̶l̶s̶o̶ ̶a̶r̶e̶ ̶n̶o̶ ̶(̶R̶U̶)̶ ̶o̶r̶ ̶(̶R̶O̶W̶)̶ ̶v̶e̶r̶s̶i̶o̶n̶s̶.̶ h̶t̶t̶p̶:̶/̶/̶s̶t̶e̶a̶m̶d̶b̶.̶i̶n̶f̶o̶/̶s̶e̶a̶r̶c̶h̶/̶?̶a̶=̶a̶p̶p̶&̶q̶=̶b̶u̶r̶e̶a̶u̶
Edit2: It does seem to be. I was mistaken and apologize.

It is restricted:
This is a restricted gift which can only be redeemed in these countries: Armenia, Azerbaijan, Belarus, Estonia, Georgia, Kyrgyzstan, Kazakhstan, Liechtenstein, Latvia, Moldova, Republic of, Russian Federation, Tajikistan, Turkmenistan, Ukraine, Uzbekistan