Cleopatra is a virtual version of the popular land based slot that millions of people have played across the world. The game is the second land based casino game to be ported to DoubleDown's mobile casino. Da Vinci Diamonds was launched in September.
The mobile play money casino was launched in March of this year and is offered on iOS, Android, and Kindle Fire devices.
Commenting on the launch, DoubleDown Interactive Founder Greg Enell said: "More than 3 million people have downloaded the DoubleDown Casino to their Android, iOS or Amazon Kindle Fire devices. With a new mobile slot game available every two weeks, and great IGT content like Cleopatra® and Da Vinci Diamonds®, the DoubleDown mobile casino is the place to play casino-style games from your mobile device."