– your source for reliable information about online gambling.

  • Over 2k complaints managed and $2 million returned to players.
  • The largest collection of detailed casino reviews available online.
  • Bonus value reports to tell you how bonuses really compare.
  • Detailed game guides to help you learn to play.

I certify that I am over 18 years of age and I have read and agreed to the:

We respect your privacy and won't share your email address.
Aweber logo
[X] Close this form and return to site
Close geo
Turn geolocation on
Locale settings

Currently viewing:

English in United States


Yggdrasil Gaming
RTP 96%
Play Yggdrasil Gaming Slots
Reels 5
Paylines 243
Min bet size
Max bet size
RTP 96.5
Wild symbols YES
Free spins YES
Bonus NO

Doubles Slot Review

Released: October 2015

The Doubles slots game is produced by Yggdrasil Gaming. Yggdrasil Gaming take their name from Norse mythology where Yggdrasil is a magical tree where dragons lived and Odin sacrificed himself. Yggdrasil Gaming are one of the smaller slot development companies on the market at the moment – primarily focusing on slots game - and do not offer a full casino platform. They lease their games out to casinos using other platforms as a bolt on package. Yggdrasil Gaming publish the Return to Player/House Edge of their slots games within the game help file. The House Edge of Doubles is 4.00%.

Are you seeing double?

The Doubles game has 5 reels which are 3 symbols high. This game does not use standard paylines. Instead three or more matching symbols in any positions on adjacent reels starting from the left side of the reels constitutes a win. This is equivalent to 243 standard paylines.

There is no Wild symbol when playing Doubles.

When playing Doubles every symbol comes in both a single and a double format. Double symbols count for two of the symbol. This allows for combinations of up to ten symbols on a single payline.

There is only one bonus feature when playing Doubles and it is triggered when you receive 3 or more of the ‘DD’ scatter symbol anywhere on the reels. When this happens you will be awarded either 10, 20 or 40 free spins depending on the number of DD scatter symbols you received. Before the free spins begin you will be asked to select one symbol from the paytable. This symbol will have all its single format symbols converted into double symbols for the duration of the free spins. Free spins can be retriggered and will be played with the same double symbol selected as the original free spins.


Doubles is a reasonable slot game but not one of Yggdrasil Gaming’s best. Visually it’s attractive and appealing as we’ve come to expect from this supplier, but the bonus features just aren’t all that exciting. The double symbols has been used before in other games and doesn’t really make for a massively different experience. This is combined with a House Edge that is on the high end of the range that’s commonly in use on the modern slots market leaving a game that, while not a bad choice, isn’t one to go out your way to find.

Yggdrasil Gaming Slots

Click to see a full list of Yggdrasil Gaming slots

User Reviews

Rate and review this slot game

User icon

To upload images, please login.

Please Login

Before you submit, you need to join or login. Your review will be saved for 2 hours.

Sounds good
United States country flag