On the eve of St. Patrick’s Day, Felix Gaming company has released a very beautiful online video slot named «Mr. Luck». The main hero of this game is a leprechaun Mr. Luck. He plays part of a joker, which replaces other symbols, but also expands for a whole reel and triggers a free spin remaining at the screen. This game has a stunning design with a high quality animation, cool music and some other features, carefully described in the following review.