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Endorphina – Gladiators

Debuting on August 5 or the same day as the opening ceremony of the 2016 Olympics at Rio de Janeiro in Brazil, Gladiator is one Endorphina game that enjoyed a good deal of hyping. As posted on Endorphina’s News section, this game was the Czech-based iGaming software provider’s tribute to the Olympic Games.

Days before the start of the Rio Olympics, Endorphina had been making some buzz for this game. It even had a teaser video on Youtube. The game was said to be something that will take players to the stadium and experience the thrill and adrenalin rush comparable to witnessing the games and be one of the cheering audience. Of course these are just some exaggerations but the point is that the game is designed to provide an playing experience that can be associated with the Olympic games.

Endorphina - Gladiators

Game Mechanics and Betting Details

Gladiators is a 21-line video slot game with an Olympic theme. It is a 5-reel, 3-row slot game.

The minimum coin per line is 1 while the maximum is 100.

The paylines are as demonstrated by the two screenshots (from the game) below:

Endorphina - Gladiators - 21 Lines

Endorphina - Gladiators - 21 Lines - version 2

Prizes are paid for combinations of a kind based on the paylines shown above. The SCATTER symbol (the burning Olympic cauldron symbol), however, is not included. There is a different set of rules for the SCATTER symbol. The game also has the WILD symbol, which substitutes for all of the other symbols except the SCATTER symbol. This is like the blank tile in Scrabble. It increases your chances of winning.

The game screenshot below exemplifies the role of the WILD symbol. As shown, there are only 2 Volleyballer symbols in the winning payline but the spin made a 75-credit win because of the presence of the WILD symbol, which is essentially presumed to have transformed into a Volleyballer symbol to yield a win.

Endorphina - Gladiators - Wild

If you enable multiple paylines (up to 21), you can win the sum of the prizes of all winning enabled paylines.

The game has a total of 12 symbols, as shown in the Paytable below. The symbols with sportsmen in them (as opposed to the sports equipment symbols) have the higher prizes.

Endorphina - Gladiators - Pay Table

To view the prizes you can expect after a spin, just set your Bet size and Line number and go to the Paytable page (by clicking on the button with three parallel horizontal lines near the upper right corner of the game interface). Let’s call this button with parallel lines the Options button in this review for convenience. All of the numbers you see on the table are automatically adjusted as you change your Bet amount . The number of paylines (Line), though, can no longer be changed once you enter the Paytable page. The numbers in the Paytable is shown in credits or money amounts depending on the game mode you selected (Value Mode or Credits mode). To select your mode, by the way, you have to go to the Bet tab, which is next to the Paytable tab. That means you have to click the Options button first if you are on the home or default page of the game.

When setting your bet, you just have to click anywhere on the Bet cell  or the square that indicates the bet amount. You can’t input the amount using your keyboard or the virtual keypad on your mobile device. Every click on the Bet cell sequentially switches the bet amount between the following numbers: 1, 2, 3, 4, 5, 10, 15, 20, 30, 40, and 100. You can’t set your custom bet amount outside of these numbers. Well, this is not really that much of a drawback but some may still prefer the ability to set their custom bet amounts.

What Do You Get with the SCATTER Symbols?

After a spin, if you get 3 SCATTER symbols, you will win 10 free games. If you get 4, you get 20 free games. On the other hand, if you get the maximum 5 SCATTER symbols after a spin, you will get 50 free games.

Take note that during free games, all of the prizes are doubled.

Endorphina - Gladiators - Scatter
We tried spinning and spinning to get free games with the SCATTER symbols but we weren’t that lucky as the most we got was only 2 SCATTER symbols.

Game Features

Of course, Gladiators can’t be just a simple slot game with the basic rules. It also comes with extra features that make it more exciting.

Autospin – Gladiators’ autospin feature allows players to set autospin playing based on the number of rounds, time period, a threshold number of wins, and balance increase or decrease.

Endorphina - Gladiators - Autospin Settings

Turbo – The Turbo feature is just like what Turbo does in other slot games. It speeds the game up slightly. For casual player, it may not mean anything but for those who play long hours with Gladiators, the few split seconds saved in each spin accumulate to minutes and the minutes accumulate to hours.

Risk Gamble – While playing Gladiators, every time you win after a spin, you will be presented with the option to play the Risk game. This option is presented as the Take Risk button in between the Turbo and Take Win buttons. If you play the Risk game, you can multiply your win by up to 10x. Your prize is doubled every time you win in the Risk game and you can do it at a maximum of four times, provided that you consistently win. That means if you win 50, you can get 200 (50x2x4) more if you continuously win in the Risk game.

The Risk game is a simple game of picking a card that is higher than that of the dealer’s. Every time you pick a higher card, your prize is doubled. However, if you pick a lower card, you lose your prize and return to the main game empty handed. If you pick a card that has the same value as that of the dealer’s, it will be a tie so you will not lose your prize and you can take your win and return to playing the game again. It’s important to emphasize here that the four upside down cards in the Risk game will not always have a card that is higher than that of the dealer’s. Sometimes all of them are lower and there are also times when all of them are higher. Playing the Risk game itself already entails the risk of losing even before you pick a card.

Endorphina - Gladiators - Take Risk

Important Notes on the Games and Prizes

It’s important to mention in this Gladiators review that the untaken or unclaimed prizes, unconsumed accumulated values, and unfinished games are only stored for up to 7 days in the system. After this period, they are all automatically cancelled unless there is an announced server maintenance or system upgrade.

It is important to always take your winnings before you leave the game.

On the other hand, in cases when there are technical problems such as software malfunctions or server issues, all of the games are voided together with the pays associated with them.

Graphics and Audio

Gladiators notably features symbols and designs inspired by the 2016 Olympics. It has nice high quality graphics. However, to accommodate players with slow connections, there’s the option to lower the graphics quality from high to medium and low. The low graphics quality setting isn’t really bad. We barely noticed the difference for the high, medium, and low settings. We’ve seen worse in other games, and even those with poor graphics quality and slow game loading time. Endorphina, just like how it goes with most of the other games it offers, apparently did a good job ensuring that the graphics provides makes for an appealing game without affecting performance.

Gladiators has a fullscreen mode as well as the not-so-useful Stretch option, which stretches the game interface to completely fill the browser window. We say this is not so useful since it only distorts the game interface and does not really provide notable benefits.

In line with the Olympics theme, the Gladiators background audio has the Olympic sound and feel to it. The usual slots sound effects that accompany the animations, however, are retained. It would have been weird if the slot reeling and stopping sounds were replaced with sports sound effects. If you feel the sounds are too loud, you can just mute all of the game audio through the mute/unmute button near the upper right corner of the game interface, or you can adjust the volumes separately for the mastersound, effects, and background music.

Endorphina - Gladiators - Audio Settings

Game Languages and Interaction with Other Players

Gladiators, at the time of its release, was only available in English. It is still an English-only game as of this review’s posting.

Gladiators does not come with a chat feature, which allows players to interact with other players. It has a Leave a Message button but it is only to communicate with the site’s (the game’s host site) admin or support team.

Software and Mobile-Friendliness

Gladiators appears to adapt to the size of the screen used to view it. As such, it should be playable on most mobile devices. It requires Flash, though. You need to install Flash on your smartphone or tablet if you want to play it. We tried it on a mid-range tablet with 2013 specs and it worked perfectly fine. Other than the need to install Flash, there shouldn’t be serious problems to encounter if you want to play Gladiators on your mobile device.

The game is somewhere between the 4:3 and 16:9 aspect ratio. That means it will not take optimal use of your mobile device’s wider screen. Still, there’s nothing to complain about it. If your mobile device has Flash, you can play

Pros and Cons


  • Great graphics, smooth animation, and engaging audio
  • 21 paylines and 100 maximum bet per line
  • WILD symbol increases the chances of winning
  • Chance to multiply winnings through the Risk game


  • You can’t input your custom bet amount. The bet amount is only in the following “denominations:” 1, 2, 3, 4, 5, 10, 15, 20, 30, 40, and 100.
  • No hotkeys
  • Requires Flash

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