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Knock Out Diamonds

Knockout Diamonds by Elk Studios

ELK Studio is well known for its talent in creating classic video slots that are fun to play while at the same time been having unique gameplay. Knockout Diamonds is no exception, what we have here is an unusual mix of a ringside boxing match that has been spliced together with a fruit machine. And while there might not be any actual boxing taking place in the game, there is all the all-around fun and excitement of a boxing match experience when you hear the ring announcer, announcing the features that you have triggered.

This is the eighth title in ELK’s portfolio of classic-themed slots. Having only one active pay line, the game still manages to pay relatively well, with the maximum potential payout been up to 2,500x your bet.

Knockout Diamonds – What you need to know

This game is all about capturing the action, strength, and excitement that happens at a boxing match. Knockout Diamonds will most probably appeal to all fans of classic slot machines. The gameplay is quite simple, it all comes down to the Knockout Spins. Moreover, the 2x and 3x multiplier wilds can also lead you to receive some decent payouts in the base game. Ultimately, the real reward comes when you collect bonus symbols to take a swing at the one-punch 2,500x KO.


  • Ringside Rumble Respins feature
  • Multiplier wilds of 2x and 3x
  • Free spins with symbol collection
  • Up to 2,500x symbol collection jackpot prizes


  • The game will probably not appeal to players who dislike classic slots or boxing

Knockout Diamonds – Theme and background

Much like all the other slots in ELK Studios’ Classic Series, Knockout Diamonds has an old-school feel to it, sporting a boxing vs classic fruit machine theme, the reels have a vintage style cabinet slot appearance to them. While the theme is retro, one must say that the imagery is bright and colorful, and visually impressive. The music and sounds in the background give that noisy boxing ring atmosphere.

Knockout Diamonds – Gameplay

Knockout Diamonds many reasons it is worth playing, starting with the superb gameplay, which combines the simplicity of the classic style slots, along with the exciting features of the newer video slots. The decent-sized jackpot is also another reason.

It’s a volatile slot, so even though wins are less frequent, they can be exceptionally large. This can be quite appealing to players who don’t mind their casino account balance taking a big swing up and down. What’s more, it does not have the word “Knockout” in its title for no reason, since it includes Ringside Rumble feature and a Knockout Spins round, where you get to spin the reels for free.
Betting levels range from 0.25 to 100 per spin, with the Knockout Spins bringing the maximum win potential as well as action on the reels. There is the opportunity to win up to 2,500x your bet, which can be activated in various ways

Knockout Diamonds – Free spins

There a variety of extras that can offer a decent payout in Knockout Diamonds. Such as multiplier wilds, re-spins, and free spins.

  • Multiplier Wilds:  The wild substitutes for all the standard symbols when it makes up a winning combination. The wild may also have a 2x or 3x multiplier attached which then doubles or trebles your payout. With the only exception being for the single and double cherry wins.
  • Ringside Rumble: This feature activates upon landing matching symbols on reel 1 and 2. These symbols then become sticky, and the 3 reels will spin again 3 more times, thereby allowing you to land a third matching symbol.
  • Knockout Spins: The Knockout Spins feature is your free spins feature. To activate it you will need to land 3 Knockout Spins logo symbols on the pay line within the same spin. You’ll then be awarded 3 free spins with the goal been to try and collect as many Knockout Spins symbols as possible. Each time you land a Knockout Spin, the number of free spins will reset to 3. The symbol is then added to a meter, and the more you manage to collect, the bigger the prize you will be awarded when you are finished using up all your free spins. Prizes begin at 5x your stake if you collect 3 Knockout Spins symbols.

Collecting 10 Knockout Spins means you get to win the jackpot prize which is worth 2,500x your total stake. That maximum win can also be awarded if you manage to land 3 Knockout Spins symbols on the payline on the same free spin. Below we take a closer look at the payouts on offer:

  • 3 Knockout Spins = 5x stake
  • 4 Knockout Spins = 10x stake
  • 5 Knockout Spins = 25x stake
  • 6 Knockout Spins = 50x stake
  • 7 Knockout Spins = 100x stake
  • 8 Knockout Spins = 250x stake
  • 9 Knockout Spins = 500x stake
  • 10 Knockout Spins = 2,500x stake

Knockout Diamonds – My Verdict

There are plenty of reasons why you should play Knockout Diamond, the first being the superb gameplay, that combines simplicity with exciting features. Another reason is the huge jackpot, giving the chance to win a huge 2,500x the stake via the Knockout Spins feature.

Regardless of whether you enjoy playing classic slots or slots that have lots of bonus features, Knockout Diamonds is a superb round slot that everyone can play. The slot manages to combine these two aspects with perfection. Overall, Elk Studios have made a fantastic success out of Knockout Diamonds

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