Cosmic Crystals

Venture into animated space in Cosmic Crystals slot by Iron Dog Studios, with bonus respins & expanding wilds on the reels.



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  • Developer: IronDog
  • Launch year: 2016
  • Available on: tablet (Android, iPad), desktop, mobile
  • Highest stake: 75.00
  • Lowest stake: 0.50
  • Progressive jackpot: no
  • Number of wheels: 5
  • Number of rows: 3
  • Number paylines: 50
  • RPQ (Repayment Quota): 95.00%
  • Highest winnings: 75,000
  • Developed for: Classic play

Cosmic Crystals Slot

A classic casino slot with modern graphics, Cosmic Crystals slot blasts you into deep space to mine the cosmic jewels. This is not an over-complicated game to play. Perfect when you just want to kick back and spin some 5 x 3 reels. IronDog has given the game a 95% RTP and 50 fixed paylines.

Retro slots are a great playing experience and Cosmic Crystals is a visual treat. It does not come with free spins but it does have re-spins and these occur if there has not been a winning combination on the paylines.

Cosmic Crystals symbols

  • Lower playing icons - card Values 10 - Ace
  • Higher paying icons - coloured crystals
  • Wild - gold coloured crystal + wild

Cosmic Crystals bonus, free spins & jackpot

IronDog has created a fun gameplay experience for novice and experienced players, with enough interesting aspects to make a trip to outer space worthwhile. The ten symbols in the game are played on the reels against the background of space nebulas and planets. Cosmic Crystals slot may not have free spins, but it has a wild that appears on reels 2, 3, and 4. An expanding wild that can vertically cover the whole reel, substituting for all the symbols, leading to some interesting combos. They also have an additional action in that they become sticky reels until a winning combination is found. Deep space action has never been so good!

The neon symbols catch the eye, and while not an adrenaline racing game, it has exciting moments. IronDog has ensured all players of Cosmic Crystals can be happy, as all non-winning spins trigger the Re-Spins feature. The reels will spin again until they find a winning combination, assisted by that sticky wild. This low volatility slot has coin values of £0.01 - £1.50 and payout values from 1x to 1,000x your line bet from the symbols. It also has a jackpot of 75,000 coins to play for! As the game is fully optimised, it’s also a good choice for playing on your smartphone or tablet.

How to play Cosmic Crystals

  • Pre blast off, check the paytable for values and rules
  • Select your bet range, keeping within your budget
  • Press spin for manual control
  • Press autoplay for 5 - 99 spins
  • Set autoplay controls for limits
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