Restrictiveness of regulations
How restrictive are the legal obligations applicable to prize promotions?

Russia
The skill-based prize promotions are generally subject to soft/mild legal treatment and the applicable legal regulations are not restrictive or onerous.
However, lotteries are subject to a very restrictive and heavily regulated regime (ie mandatory conclusion of a contract with the state authority under the tender procedure, state duties, annual audit. prohibition of lotteries on the Internet).