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Secret Code Slot


Solve one of the world's grandest mysteries in Secret Code. Using ancient medieval artifacts and the tools at your disposal, find the answer and walk away rich. Give Secret Code a try on our website for free. If you want to play for real money, just sign up at any reputable NetEnt casino.

Start by selecting how much you want to wager. Use the arrows to the left and right of Coin Value to pick your coin denomination. Available sizes range from 0.01 to 0.50. Next, press the arrows by Level to adjust the number of coins wagered on each line. Reduce or increase the numbers of lines with the arrows by Lines. Press the circular arrow button to begin spinning, or use Max Bet to play with 5 coins on all 20 lines. You may also use the Autoplay button if you want to spin several times in a row.

Secret Code is filled with plenty of mysterious and lucrative features. Get a wild on 2, 3, or 4 and watch it expand to cover the whole reel, increasing your win potential significantly. Get three or more scatters to start the free spins round, which has a unique twist. Instead of retriggering, getting two or more free spins symbols during the free spins game increases the multiplier by the number of symbols. Finally, get three Bonus symbols on reels 3, 4, and 5, where you can try to unlock chests to win instant cash prizes. Overall, this Secret Code is one worth unraveling.

Game Play

Coin Value: Change the base coin denomination.
Level: Add or subtract coins to every active line.
Lines: Select the number of active paylines.
Circular arrow button: Begin spinning at the chosen bet.
Max Bet: Begin spinning at a bet of 5 coins on all 20 lines.
Autoplay: Begin spinning without interruption.

Play game
Software NetEnt
Slot Type Video slots
RTP 96.3%
Special feature Wild Scatter Free Spins
Slot details
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Secret Code Slot Reviews by Players


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Afi4wins 1764 reviews
Reviewed on December 27, 2017


Do you like watching the movie 'DaVinci's Code'? Or any other treasure hunting movies like those of Raiders Of The Lost Ark series? Yeah, I love them too. All those mysterious clues are mind boggling to decipher, and how each one finally got revealed was even more interesting. Food for the brain, so to speak, hehehe. This Secret Code game is based on such a movie, so lots of players are gonna love playing it, although there's no need to decipher any clues, except to use the right key for the right box. If you've played this game,then you'd know exactly what I meant, hehehe.

There's nothing new in the concepts of the game - it's yet another mix-and-match concoction by NetEnt, but it seems to work pretty well in this game, as compared to some others. The best part is the Expanding Wilds on reels 2, 3 and 4, and getting all three would certainly produce some good wins. So watch out for that expanding Hooded Man, the Wild symbol. Unfortunately, it doesn't pay anything for itself, nor does it double any wins with it, but this is something quite common with a lot of NetEnt games.

The Scatter symbol is one symbol that got my eyes opened. At first glance, it looked like the word 'pornstar', when actually it is 'xornsto'. That '*ornst*' letters lighted up the wrong word in my brain! Hahaha. Anyway, this too is a non-paying symbol, only serving to trigger 10 free spins with an Increasing Multiplier feature. Getting 2 or more Scatter symbols during the free spins increases the multiplier up to an incredible 20x! Nah, I've never gotten that far in my plays, but that would be the best time to hit those Super Mega Wins! Any retriggers during the free spins? Oh boy, you are a greedy one aren't you? Hahaha.

See that Key icon with the word 'Bonus'? Well, that is yet another non-paying symbol in the game, serving to trigger a Bonus game, whereby you choose a key to unlock a box to win prizes - 5 keys and 5 boxes, each held by a hooded being, either an angel or a devil. Pick the devil and you win nothing, but there's always at least 1 or 2 angels amongst them, so you won't be left with an empty pocket. The prizes can vary in size, from very small to very big, but I have no idea how big that can be. However, from what I have won, these could possibly be as much as 100x the total bet, so that's pretty good!

Even though the Wild, Scatter and Bonus symbols do not pay anything, which isn't to my liking, the highest symbol does have a good value of 4000x the line bet for 5 of them, so you need to get this symbols with that 3 Wild Reels to get the best wins. From my many plays on this Secret Code game, my best win still remains at 237x, but that is acceptable enough for me. Trying to get a much bigger win would require lots more play on the game, no doubt about that, but it is a good game to play!
raverbabe 559 reviews
United Kingdom
Reviewed on September 27, 2016


Secret Code is another NetEnt game I'd forgotten all about until it popped up on the VideoSlots battle schedule just lately, and that's a real shame because it has many opportunities for great wins as well as a 4000x stake maximum win from a single spin available in the bonus mode although I'd be surprised if anybody has ever seen it as you'll need the maximum 20x multiplier in the free spins to achieve it and that is near on impossible to even get close to in my experience!

There are expanding wilds on reels 2, 3 and 4 but I found myself pretty surprised when they didn't expand on several occasions and when I studied the paytable there is a pretty cheeky catch to this - the wilds only expand to cover the whole reel if there is already a winning payline on the screen, they will NOT expand in order to create a win on an otherwise blank spin. That's a pretty strange setup that I don't recall seeing on any other slot and I do wonder if it can possibly have been necessary for NetEnt to implement this feature in that way.

The aforementioned free spins mode has a multiplier "up to" 20x, but the way it increases is also very unique - each time a scatter lands on the screen it adds an extra 1x, so for example if four scatters land on a single spin 4x is added to your multiplier for the remainder of the free spins. This is why I said it would be VERY unlikely for anybody to ever see the maximum 20x, although if your initiating spin is a five scatter hit then you might have a much better shot as it's possible to pick a higher starting multiplier.

Overall I think this this is one of the better NetEnt games, the base paytable definitely is better than the vast majority of their newer slots and I've had a few reasonably sized wins whilst playing it in the free tournaments at VideoSlots, enough to make me want to try the game for the first time in a couple of years in "real money" mode sometime soon!
Inactive user
Reviewed on May 31, 2016


Secret Code by NetEnt comes with 5-reels and 20-payline and it's playable from 0.20 cents bet per spin. I like the theme and its soundtrack and the game name sounds so strong and powerful. Ancient stones are very attractive to me, so it comes naturally that I like the symbols in this game, especially those with stones, and there are a few in this slot. What caught my attention was the Scatter symbol and the sign or name on it, which is 'Xornsto', which I thought was a name for some ancient God, but I was mistaken. I found out that Xorn is a fictional character published by Marvel Comics. Now, everything has made more sense to me. NetEnt used Marvel Comics for their inspiration and they took one character's name out of them and made it into a very nice Scatter symbol. I like the Wild symbol too when it covers the entire reel.

The Wild symbol substitutes for all except for the Scatter and the Bonus symbols. On reels 2, 3 and 4, it expands and covers the entire reel whenever there is any winning combination. 3 Bonus symbols on reel 3, 4 and 5 activate a Bonus round. There are free spins to be won too when you trigger them with 3 Scatter symbols, and the Free Spins game has an increasing multiplier up to x20.

The paytable looks really generous, with 4 of the top symbols paying really nice rewards for collecting 5 of them. In Secret Code, the 4 most valuable symbols pay 4000 coins for 5 of them, followed by 2000 coins, 1500 coins and 1000 coins. Unfortunately, the Scatters have no win value and this is a big minus point. I think this game has a clone, which is Secret of the Stones, also created by NetEnt, which is amongst my favorite games ever. I am a little concerned over the paytable in Secret Code because in order to make some serious big wins you, you must collect as many 5-of-a-kind wins as possible. I can't remember when the last time was when I actually collected any 5-of-a-kind win in this game.

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