(No Ratings Yet)
Report a problem
This slot is not available to play due to UKGC’s new licence condition
Don’t be upset

Best Online Casinos to Play for Real Money

King Billy Casino King Billy Casino
Welcome Pack €2500 +250 Free Spins
Skol Casino Skol Casino
up to $1300 + 250 Bonus Spins
Casino Cruise Casino Cruise
55 Free Spins + 100% up to $/£/€200 + 200 Free Spins
Vulkan Vegas Vulkan Vegas
Up to CA$/€/$1500 + 150 Free Spins Only the first and the second deposit made within 7 days after the activation of the bonus are taken into account with the offer. Max bonus amount for the first deposit is €300; for the second starting from €15 —€400, for the second starting from €50 — €700. 30x wagering requirements for free spins and 40x for bonuses. The maximum bet allowed when playing with bonus money is of $/C$/€5.

Rules and Gameplay

The Codex slot game, developed by Vibra Gaming, immerses players in a world of code-breaking and mysteries with its 5×3 reel layout and 20 paylines. Set against a steampunk-inspired backdrop, players embark on a thrilling adventure to unlock the secrets of Codex. The game is designed for both portrait and landscape modes, making it accessible on mobile and tablet devices. Players can start their journey by adjusting their bets, ranging from $0.40 to $20.00 per spin, ensuring that both casual players and high rollers find their stride. Gameplay is enhanced with a high volatility and an RTP of 96.14%, promising exciting and rewarding play sessions.

Bonus Features

Codex stands out with its captivating bonus features, designed to enrich the gameplay and offer substantial winning opportunities:

  • Invention Combo Feature: Activated by landing three special symbols, this feature adds a random multiplier prize to any payline win.
  • Free Spins Feature: Landing 3 or more Free Spins symbols triggers up to 12 free spins, featuring sticky wilds and the potential for indefinite retriggers.
  • Vault Trail Bonus Feature: Players unlock multiple levels by matching symbols, aiming to crack the secret combination for massive multiplier prizes.

These features not only add depth to the gameplay but also provide players with multiple pathways to unlocking the treasures hidden within Codex.


The symbols in Codex draw heavily from its mysterious and innovative theme, with each designed to complement the game’s overall aesthetic:

  • Special Symbols: Invention symbols and Free Spins icons, pivotal for activating the game’s key features.
  • Standard Symbols: A mix of high-paying invention icons and lower-paying royal symbols (A, K, Q, J, 10, and 9).

These symbols not only contribute to the visual appeal of Codex but also play a central role in the gameplay, unlocking various features and rewards.


Symbol Payout (as a multiplier of the stake)
Red Invention Symbol 1000x
Blue Invention Symbol 750x
Green Invention Symbol 500x
A 100x
K & Q 80x


Codex features 20 fixed paylines, offering numerous ways for players to win. The game’s design ensures that every spin holds the potential for big wins, aligning with the adventurous spirit of code-cracking and mystery unraveling. Players must match symbols across these paylines to secure their wins, with the game’s diverse range of symbols providing plenty of opportunities to strike it big.

Pros & Cons:

Pros Cons
Engaging steampunk-themed graphics and animations that capture players’ attention High volatility may not be suitable for all players
Innovative gameplay features like the Invention Combo and Vault Trail Bonus Limited betting range may not appeal to high rollers
Available in portrait and landscape mode for mobile play The game interface can be complex for new players

Minimum and Maximum Bet

The Codex slot game offers a betting range designed to accommodate a variety of players, with a minimum bet set at $0.40 and a maximum bet capped at $20.00 per spin. This range ensures that both casual players and those looking for a bit more thrill can enjoy the game within their budget.

Game Jackpot

Codex features a potential maximum win of up to 3,000 times the player’s stake, adding an exciting possibility for significant wins. The game’s Return to Player (RTP) is noted at 96.14%, paired with high volatility and a medium variance. This combination suggests that while wins may not be frequent, they have the potential to be substantial when they do occur, aligning with the game’s adventurous and risk-reward gameplay nature.

About Provider

Vibra Gaming, originally known as Spieldev, is a Buenos Aires-based gaming company established in 2016. Renowned for its innovative and themed slot games, Vibra Gaming has made a significant impact in the European and Latin American markets. Their games are widely recognized for blending engaging themes, high-quality graphics, and unique gameplay features, catering to a diverse audience. The company emphasizes the creation of games that are not only entertaining but also compatible across multiple platforms, ensuring a seamless gaming experience for all players.

How To Play

  1. Start by locating the game controls, which are hidden behind the ‘+’ symbol on the left of the interface. Clicking here will reveal options such as the paytable, sound settings, and game rules.
  2. To adjust your bet, click on the ‘X’ to return to the main game screen. Use the arrows to set your Coin Value and view your Total Bet next to the ‘$’ sign. For quick betting adjustments, the ‘$’ sign with an arrow next to the spin button toggles between the Min and Max Bets.
  3. If you prefer automated play, select between 5 and 100 Autospins by clicking the symbol to the right of the Spin button.
  4. For manual play, press the Spin button to begin the game. Pay attention to special symbols and bonus features that can significantly enhance your winnings.


Codex by Vibra Gaming is an enthralling slot game that stands out due to its unique steampunk theme, innovative gameplay features, and the potential for significant wins. With its appealing graphics, atmospheric soundtrack, and a blend of traditional and novel slot mechanisms, Codex offers an immersive and rewarding gaming experience. Despite its high volatility and somewhat complex interface, the game’s engaging content and potential for big payouts make it a must-try for fans of online slots. Whether you’re a novice or a seasoned player, Codex promises excitement and the thrill of the chase for hidden treasures and big wins.