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Slot of the Week: King of Slots

Profile Picture: Simon Young

August 16th, 2021

All hail the King of Slots and bask in the glory of its regal twist, for this is a slot like no other. Developer NetEnt has taken some traditional juicy fruit symbols and squeezed out some innovative gameplay, making this online casino royalty.

And because we like treating you like kings and queens, we’ve made King of Slots the TwinSpires Casino Slot of the Week. Spend just $10 on the exciting game, and we’ll give you 20 free spins. Will you win enough to move into a palace?

How to Play King of Slots

It looks like most other slots when you first load up the game – a five-reel, three-row format with 25 paylines to shoot for. But this is where traditional slot gameplay goes out of the window because the King of Slots has a cool sticky win mechanic.

Land three or more of the same symbols on a win line, and they stick in place while the slot re-spins. Land another one or more of the same symbol, and it spins again. This keeps happening, with sound effects becoming increasingly frenzied until no more matching symbols arrive. You then win the amount represented by the final win line (or lines if you’re lucky), which is often far higher than it would have been had you simply been paid in the first instance.

The slot is nicely designed, with crisply drawn symbols and a jaunty backing track. The lowest paying symbols are 10, J, Q, K, and A card symbols. You then move up the prize amounts to three tasty fruits, starting with cherry, then lemon, and then the melon. The king’s crown is the highest-paying symbol.

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There is also a wild symbol, which will substitute for all other symbols, including those in the re-spin section. But you really want to get Scatter symbols. The pretty pink gems are the Scatter, and if you land five or more of these in the re-spins feature, you launch various free spins:

  • 5 = 10 free spins
  • 6 = 15 free spins
  • 7 = 20 free spins
  • 8 = 25 free spins
  • 9-15 = 30 free spins

And you get a little princely extra, too. All wins in the free spins round are tripled!

King of Slots is a good choice for a Slot of the Week game because the expected return to player percentage is 96.96%, which is on the generous side. With 20 free spins from TwinSpires Casino, you can expect to get a little something in return.


  • Novel sticky win feature
  • Generous 96.96% RTP
  • Scatters free spins bonus
  • 25 paylines

Play King of Slots at TwinSpires Casino

To take advantage of our regal Slot of the Week offer, simply spend $10 on the King of Slots game, and we’ll give you 20 free spins. You must have a TwinSpires Casino real money account, of course. If you don’t have one, signing up is easy – visit the casino, register, and make your first deposit. Be sure also to claim your welcome bonus. Good luck!