By reading the terms and conditions for a certain welcome bonus. This is the best way to see if it is a 200% welcome bonus or not. Be aware, some comparison sites that show a 200% deposit bonus is not on the full welcome bonus. Sometimes a casino has a 200 casino bonus on the first deposit, followed by a much lower bonus on the second deposit (even though it still might be part of the welcome offer). However, many operators offer a 200 welcome bonus for new players, so pick a casino in our top list and visit it now.