We stayed at hotel Rossiya on each of our four trips. It is a hit and miss experience. Three out of the four times we received rooms that had not been renovated since, literally, the 1960's. The furniture and bedspreads were worn and dated (This is a gross understatement). The bathtub was an old pedestal style with rust stains in the bottom. On one trip we stayed in a newly renovated room which was modern and comparable to any in the United States. It even had a shower stall. We found out later that you can request to be put in the newly renovated section and they will but it will cost a little extra. I highly recommend paying a little more for the increased comfort.
All the rooms have two twin size beds. Each time the rooms were clean and well maintained.
This hotel is huge (over 5,000 rooms). There is a cafe on every other floor. Since we don't read a word of Russian and speak only a few words it was somewhat a challenge to order. They did have a lot of recognizable things like fruit, yogurt, etc. that you could point to.
The hotel did have a night club at the time. But we noticed between visits that a lot of the shops/restaurants came and went. The hotel had several kiosks selling bottled water, cokes, chips, ect. There was also a small pharmacy which we were able to get a bottle of infant tylenol for our daughter.
The view from our rooms each time was spectacular. The old style architecture had the type of windows that you could open, feel a summer breeze and look out at a skyline of amazing onion domed cathedrals.
Even though the accomodations were usually old and dated I still recommend this hotel because of its unparalleled access to Red Square. You can walk there in five minutes. On one trip we just missed the "White Lights of St. Petersburg", which is when St. Petersburg is light for 24 hours a day. Even though Moscow doesn't experience 24 hour a day light, it didn't get dark until about 12:00 midnight and even then it was only a dusk type darkness. We walked through Red Square by ourselves at 11:00 p.m. Because of our location we were able to spend a lot of time at the Kremlin, G.U.M., Red Square and the Armory.
If staying in a modern, Western style room is important to you then don't try it. But if you are a bit adventurous and cleanliness, location, a good price and a great view are more important then you would love it. (I would still spend a little extra and ask for the upgraded room.)