Overview: There's no mystery about the big wins on offer in this Feature Guarantee 25-line, murder mystery-themed online slot machine.
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!
Try this game for yourself at one of the recommended sites listed below!
Online Play: This slot machine is featured at online casinos that run Realtime Gaming software. You can try it risk-free by utilizing the free, no-deposit welcome bonuses that are offered at many Realtime Gaming sites; if you decide to play for real, then be sure to play at a Realtime Gaming casino that offers an initial deposit bonus of at least 100%.
Similar Slots: If you like It's a Mystery!, you might like these other slot machines from RTG:
Diamond Dozen, Golden Retriever, Happy Golden Ox of Happiness, Red Sands.