User rating5 / 5

Wild Worlds slot from NetEnt

wild worlds
In 2019 NetEnt released a Super Hero slot featuring battles, role-playing, and many more functions, bringing great pleasure to the fun-loving gambling community. The Wild Worlds slot machine paints the picture of a futuristic planet, where at the control tower, in their command post are the 3 protagonist Heroes. Besides doing their everyday monitoring (behind the PC), they are ready to fight no matter the vigour of the enemy. The Swedish developer gave the roles to the brave Big Blue Macaw Parrot, Pink Cockatoo, and Green Ringneck Parakeet in this fabulous story.

At the whole time, you will have them at your left side, observing the giant Villain (picking from the tower window), sometimes looking at your spins, but always attentive at your wins, which they cheer in a comical and energizing way. The game itself takes place in a 5x5 grid, with an avalanche mechanic, where any 3 or more same symbols (vertically or horizontally) make a winning combination.

This Medium Volatility machine with an RTP of 96.47% could be tested right here on our site for free or at any NetEnt casinos with real money.

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Review and recommendations about Wild Worlds slot by the testing team

  • This impressive qua design, graphic, and sound game has to be accessed several times before you get a glimpse of all the different features. It can be somewhat complicated for impatient players, but the excitement of the gameplay is certainly on board.
  • Contrary to the high level of enjoyment that the game projects, the extremely low potential for large winnings and the long waiting for the Free Spins are both hindering and disappointing.

Here in one spin, you can expect several winnings. Consider this:

  • A single row or column can contain more than one win;
  • Symbols involved in the winning combination will be removed and replaced with new ones, creating more chances;
  • Additional features (HERO WILDS and DESTROY FEATURE) may come into play during that single spin.

And yet, you have to ‘paddle’ through myriad empty spins or spins with super small winnings (from 0 to 10x) in the base game.

  • Regarding the HERO WILDS feature: By itself, this function cannot bring a big win, but it is good at creating minimum to average wins.
  • Regarding the DESTROY FEATURE: it is not triggered frequently. Moreover, it generates only minuscule wins and sometimes even rock bottom-ZERO payments.
  • In the bonus game, average during testing, we obtained 15x-40x total bets winnings. Thus, our top score was just over 100x total bets. At some Worlds, the winnings were 60x-150x (in 2 stages, i.e.16 free spins in total); at some other Worlds, we obtained a total win of 200x+ bets but knocking down the Boss, we couldn't manage it. 

Based on our experience, we can summarize that this slot has a very low potential for a big win and the chance of getting 1000x+ bet winnings is almost nonexistent. More realistically speaking, the potential here is just 200x-300x. In addition, the stretched-out cycle here can protract the Free Spins triggering to a breaking point. Sometimes you have to wait longer than 500-600 spins to get 3 Scatters.

Alternative feedback of tester

We admit Wild Worlds is one excellent slot with enticing gameplay and amazing Super Heroes, kicking monster-butt. It also offers more than the average number of bonus games and features. But once you realize the payout potential, you can become discouraged and even off-put. Despite the decent frequency of bonus feature initiations, the payments here are minimal.

In the Free Spins, only 1 type (1 World) of Wild symbols function is helping you to defeat the Monsters and then the Boss. After successful 1st Stage (all 3 Monsters are crushed) and almost trashing the Boss, you can be left with winnings of around 65x total bets for the entire Free Spins round. This demonstrates that the slot is not generous in payouts in both base and bonus games, and to top it all, Wild World can easily produce up to 40 empty spins in a row. 

All in all, the machine appears to be suited for players searching for a fun time and not for massive wins.

Bonus base game features

  • The HERO WILDS feature - if any symbols on the reels are identical to the winning symbols but are not included in the win formation, they turn into Wilds.
  • In a no-win spin, the DESTROY FEATURE randomly, 1 of the 3 Heroes can jump off his seat and can crush all the icons that are not of his colour, giving an additional chance for winning to be formed.

Bonus Free Spins features

  • The FREE SPINS feature is triggered as usual by 3 Scatters. The number of Free Spins rewarded is always 8. A wheel appears with 6 sections carrying 3 only Worlds icons: Forest, Fire, and Ice.
  • Fire World generates 2-4 random Wilds.
  • Forest World-generates spreading Wilds- if they participate in a win line- they are stuck till they create a winning formation with the new symbols from the neighbour cells.
  • Ice World generates heavy Wilds- 2 adjacent Wilds, and if they participate in a win line- they are sticky.
  • The Free Spins game pass in 2 stages: 1) battling 3 Monsters; 2) battling the Boss. Both stages have mirrored functions in the same World. Passing the 1st stage will reward you with extra 8 spins.
  • After the World is defined, you go to face the opponents:
  • In stage 1) each of the 3 Monsters has 15 lives, while in stage 2) the Boss has 105 lives.



Each Super Hero has its own colour repeating the colour of the symbols on the reels. The moment a win combination is dropped, depending on the colour, 1 Hero is activated. He will attack according to his powers. They are displayed with an indicator and are filled as a result of 3 successful combinations.


The indicator will empower:

  • Blue Hero to take 1 point from all Monsters;
  • Pink Hero to take 1 point 4 times from any Monster;
  • Green Hero to take 4 points from 1 of the Monsters.


The battle is similar to the one from the previous stage with random, spreading, and heavy Wilds, depending on the World, where is the fight arena, only now the opponent-BOSS, is more resilient. 


  • The developer is NetEnt company.
  • Pay lines - 0 (combinations of 3 or more adjacent identical symbols are paid horizontally and vertically).
  • Volatility is average.
  • The range of stakes from 0.20 to 400 coins.
  • The playing field is 5×5.
  • The maximum reward is 1 000 000 coins (when the entire playing field is filled with a wild symbol or a Stone with the crown symbol).
  • The bonuses are random features HERO WILDS and DESTROY FEATURE, HERO ATTACKS and HERO SPECIAL ATTACKS features from Super Heroes, free spins with 3 worlds and the original plot from scatter.
  • The theoretical RTP (return to player percentage) is 96.47%.

How to win at the Wild Worlds slot machine? (Conclusion)

  • We are always determined to prompt the basic rule of playing slots at online casinos: test them in the DEMO mode before real money input.
  • Concerning bonus money wagering, we give Wild Worlds slot only neutral recommendations. This about decent balance keeping, but only at medium distances.
  • We also give neutral recommendations for playing with real money. We have 3 major reasons:
  • 1) Even though the Wild World slot machine is coming in a 5x5 playing field (i.e. larger than typical), with win combos, formed both vertical and horizontal, plus the plenty of bonus features offered, in most cases, the balance is lost in the long distances. Thus, the dead spins and the series of small winnings prevail in the end. 
  • 2) Playing short distances with real money can be an option for the players, who insist on gambling here, but our suggestion for the bet balance is no less than 250x-300x bets.
  • 3) This slot has a low potential of rendering big wins, so, also for high-rollers, this is not a good option.

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Written by Kamen Valev
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