There's no mystery about the big wins on offer in this thrilling new Feature Guarantee 25-line murder mystery-themed slot game.

Return to the scene of the crime, to find a game filled with intrigue, suspense and more features than you can poke a candlestick at.

Was it the Butler? The Lady? Perhaps the distinguished looking Gentleman?

Trigger the Free Games Feature with 3 or more 'It's A Mystery!' symbols and find out for yourself by completing the multi-round Puzzle Portrait Feature.

Up to 50 free games with prizes x 6 are on offer, with an additional bonus of up to 500 times your total bet for completely unscrambling a portrait.

The unique Feature Guarantee system ensures a feature every 150 spins if you don't trigger one randomly, and the Win-Win Feature will top up any poor-paying free games.

Make bad feature wins and long feature dry spells a thing of the past with It's A Mystery!