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Codex
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Code: WELCOME600
| 1 | Reels | 5 |
| 2. | Paylines | 20 |
| 3. | Progressive | No |
| 4. | Maximum coins | 20 |
| 5. | Jackpot | 5000 |
| 6. | Maximum jackpot in coins | 1000 |
| 7. | Multiplier | No |
| 8. | Scatter symbol | Yes |
| 9. | Free Spins | Yes |
| 10. | Betting range | from $0.2 up to $100 |
| 11. | Coin Bet Range | from $0.01 up to $5 |
| 12. | Coins per line | 1 |
| 13. | Bonus Game | Yes |
| 14. | Wild symbol | Yes |
| 15. | Payout percent | 96.14 |
There have been many books, films and television shows, not to mention other forms of media, that have used Da Vinci's Codex as inspiration in one form or another. The Codex slot by Spieldev is named after it, and it's based on the same kind of puzzle solving that made those books famous in the first place. You'll see all kinds of gears and important symbols on the screen that reflect back on this theme, and there are some good features in this game as well.
Game Layout
The layout of this game is set up to make jumping right into the gameplay as easy as possible. You'll have 20 paylines spread across five reels and three rows of symbols. Along with that, you have coin sizes available that start at just $0.01 apiece. This leads to a minimum bet size of $0.20 per turn, which is clearly within any player's budget. You can also get coins that go up as high as $3 apiece for $60 bet sizes, which takes care of players on the high end of things as well.
Invention Combo Feature
There are three symbols in this game that are considered the invention symbols. They are the purple swirl, the green triangle and the blue pentagon. Whenever you get all three of these in a combination from left to right, you'll trigger the Invention Combo Feature. This doesn't give you a payout, but it does give that spin a random multiplier between three options. Those options are 4x, 5x or 6x. It's clear that multipliers as large as this will give you some pretty huge payouts, so it's important to note that they will be applied to all wins on the triggering spin. This feature works during the free spins as well.
Free Spins Bonus Round
The free spins symbol glows in sort of a dark blue or purple hue, and three or more gets you a shot at a set of free spins. Three, four or five of the free spins symbol will earn you seven, 10 or 12 free turns, respectively. You can re-trigger this feature over and over as many times as the symbols will appear, but the vault symbols do not show up during this bonus round.
During the free spins, you will get a sticky wilds feature. Any symbol can be turned into a sticky wild at random, and they will stay in place for the remainder of the free spins bonus round. You can actually end up covering the entire game board in wilds if you're lucky enough in this feature, especially if you re-trigger the free spins a few times.
Vault Trail Bonus Feature
The red bonus symbol is there for the Vault Bonus, and they appear on the second and fourth reels only. Get both on the screen at once to start the feature. There's a five-reel puzzle that can be opened if you get the right winning combination, and you'll unlock the reels one at a time. You get a spin to start the feature and another spin for each reel unlocked. If you aren't able to get past the first spin in this feature, you'll still be rewarded with a payout worth five times your total bet. The further you get, the bigger the prize you can win up to 195 times your entire wager.
Payouts and Prizes
The three invention symbols are the three highest-paying symbols in this game. The purple swirl pays 1,000x for five of a kind. You can also win 750x for five of the blue pentagon. Five of the green triangle pays 500x for five of a kind. These are strong wins that are fairly balanced.
Six card rank symbols make up the rest of the pay table. Five of the A is worth 100x, and five of the K or Q will get you 80x. A 60x win is available for five of the J or 10 symbols, and it only drops down to 50x for five of the 9 symbol. These card rank symbols all come in a light blue on a light tan background, and they all fit the Codex theme very well in how they are stylized.
Overview
The Codex online slot by Spieldev has decent enough graphics and some bonus features that make sense given the theme of the game. With that having been said, nothing in particular stands out in the sense that it will completely wow players, but it's definitely a solid, balanced slot overall. If you're a fan of Da Vinci-based fiction, then this is a game that will probably give you a lot of fun for a bit, especially with the vault bonus feature based around trying to solve the puzzle of his codex. We definitely give them credit for using an atypical theme, even if the slot itself is just average overall.
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