Scratch tickets by country
Every country Scratch Better covers, and what the lotteries there publish.
United States
34 states -- Great, Okay or Skip in the free iPhone app
Canada
Ontario, Western Canada -- how many top prizes are still out there
United Kingdom
United Kingdom -- how many top prizes are still out there
Portugal
Portugal -- prize plans as printed, with no count of what is left
Outside the US the lotteries publish less, so those pages claim less: printed odds where that is all there is, top prizes left where the operator counts them, and no ranking unless every prize tier is published.