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Skulls UP! Online Slot

Skulls UP! online slot is a high volatility 5x4 reel slot with 243 ways to win by Quickspin. This title has an over-the-top cartoon pirate theme with matching swashbuckling music to set you up for a fun experience. A sandy palm-littered beach is the background for an unusual arrangement where an additional 3x3 covered grid sits above the reels, its secrets to be revealed as you explore the game. The game symbols are delightfully rendered in bold cartoon style with entertaining mini animations for certain game events. This slot is compatible with all devices. Wilds, free spins and respins are the main features that will guide you towards the game's jackpot. The minimum and maximum bets allowed for this slot are 0.1 and 100.00 and it can also be enjoyed in free play mode.

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Return to Player


Skulls UP!

Game Details

Software providerSoftware:




Reels amountReels:


Slot VolatilityVolatility:


Slot Game TypeGame type:

Video Slots

Slot PaylinesPaylines:


Min coin betMin coin:


Max coin betMax coin:


Free spins offeredFree spins:


Wild SymbolsWild symbol:


Progressive jackpotProgressive:




Game Features

  • The game's low-value symbols are carved wooden coins featuring the A, K, Q, J and 10 card suit symbols, these pay out Pay between 4x and 1x for 5 on a payline.
  • The higher value symbols are a motley pirate crew.

    - The female pirate captain pays out 20x for 5 on a payline - A bald pirate brandishing a sword pays out 15x for 5 on a payline - A skinny pirate with an eye patch pays 7.5x for 5 on a payline - A cheeky looking monkey pays 5x for 5 on a payline - An Iconic ship's parrot pays out 5x for 5 on a payline

  • The wild is a grinning, eye patch-wearing skull that replaces any standard symbol to assist in creating winning combinations. A flaming version of the skull symbol triggers the respins feature.
  • A treasure chest is the scatter and triggers the free spins mode.

Bonus Features

  • Free spins

    3 treasure chest scatters will trigger the Flaming Fee Spins feature, instantly giving you 6 free spins. Positions in the upper grid that are unlocked by flaming skulls during free spins remain uncovered for the duration of the feature, unlocking all the covered positions gives you an additional 2 free spins per row and with a total of 6 rows, this means you could achieve a total of 10 extra free spins over and above the initial 6. The respins feature functions the same way as it would in the base game.

  • Respins

    The Flaming skull wild triggers the Skulls UP! Respin feature. Each flaming skull that appears on the reels triggers a respin. If you get an additional flaming skull or regular skull symbol during a respin, a position in the grid above the reels is uncovered, giving you additional ways to win, up to a maximum of 1944. You can get an additional 6 open positions per reel on the upper grid. Getting a win with a flaming skull wild transforms it into a regular skull wild for the next spin.

Skulls UP! online slot gameplay

Our Verdict

Skulls UP! online slot is fun in all the right ways. The bright, cartoon graphics and animations make for an engaging experience and the blend of features ensures that a sense of excitement is constantly present throughout the base game and bonus feature. The constant appearance of flaming skull wilds keeps the action flowing between the main reels and the additional grid above them. Their presence is even more exhilarating during free spins as they unlock this title's true winning potential of 3650x your stake in a single spin. High volatility and a decent RTP of 96.26% are expertly combined to ensure that the pace rarely drops, with very few sedate moments peppering your gameplay experience. High rollers may fault this slot for not having a dedicated jackpot or bonus game, but this is unlikely to put you off as Quickspin has created a rare combination of re-playability and alluring winning potential that are likely to see you come back time and time again to test your luck.

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