Answer

+1
- Promo codes can be issued from members of the administration or partners of the game as a part of official events, contests and giveaways. For example, they may be hidden in V-LOGs, in the Newspaper Issues and official livestreams, but they won’t always be there.
Customer support service by UserEcho
Hey,
All information you can find here: https://en.tankiwiki.com/Promo_Codes