I would agree with dusted about encoding the state of the game, but if you don't want that you don't need to pay 50 bucks a month for something that simple. 6-

I would agree with dusted about encoding the state of the game, but if you don't want that you don't need to pay 50 bucks a month for something that simple. 6-12 bucks will get you a more than powerful VPS, and Amazon S3 will be pretty cheap for this and allow you to set a policy that all storage expires after n-days, which will prevent this for exploding too much. S3 is expensive for storage, but you are dealing with data at the kilobyte level, where it does not matter.