Double Wammy is a 3 reel Microgaming online slots game with a single payline. It can be played for just 0.20 each spin or for as much as 15.00. It also accepts up to 3 coins each spin and offers a nice jackpot which is worth 2,500 coins. This game has a bright blue design to it and uses two huge diamonds on the game in order to introduce it to you. A good feature this game has is that it has a very clear look to it which a lot of online slot machine players find to be nice and refreshing.