Viking Lock

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Rules and Gameplay

Viking Lock by Boomerang Studios is an engaging video slot game released in August 2023. This game operates on a 5×3 board layout with 25 fixed paylines, where winning combinations are formed when three or more matching symbols land from left to right. The game’s design includes various Nordic symbols, setting the stage for thrilling adventures in a snowy village. Players have a range of betting options from a minimum of $0.25 to a maximum of $37.50 per spin, catering to both conservative bettors and high rollers.

Bonus Features

The Viking Lock slot offers a suite of bonus features designed to enhance gameplay and increase potential payouts. Key features include:

  • Wild Symbol: Acts as a substitute for other symbols to form winning combinations, except for the Scatter. Wilds also pay when three or more are aligned.
  • Lock Reel Feature: This feature can trigger randomly, locking two or more reels together to display the same symbols, significantly boosting chances for multiple wins.
  • Free Spins: Triggered by landing three or more Scatter symbols, rewarding players with 5 free spins. Each win during these rounds increases the win multiplier by one for the subsequent spin.
  • Strike Bet: Increases the RTP to 96.39% and ensures the Lock Reel feature triggers on the first four reels during every spin in the main game.


The symbols in Viking Lock are deeply rooted in the game’s Nordic theme, contributing to its immersive experience. Here are the primary symbols:

  • Higher Paying Symbols: Lady Viking, Horn, Double Axe, Viking Helmet
  • Lower Paying Symbols: Card Royals A, K, Q, J
  • Scatter Symbol: Triggers free spins and also pays independently for three or more on the reels.
  • Wild Symbol: The Viking, which also offers payouts on its own.


Symbol 3 Symbols 4 Symbols 5 Symbols
Lady Viking $5.00 $15.00 $50.00
Double Axe $3.00 $10.00 $25.00
Card Royal A $1.00 $2.50 $7.50


Viking Lock features 25 fixed paylines. This structure means players cannot adjust the number of lines they bet on instead, they can modify their stake across all lines to manage their total bet. The fixed paylines ensure that all possible winning combinations are always active, enhancing players’ chances to win.

Pros & Cons

Pros Cons
Engaging Nordic theme with high-quality visuals Lacks progressive jackpots
Lock Reel feature increases winning possibilities Base RTP is slightly below the current industry average
Features both a free spins multiplier and a strike bet option to boost RTP High variance may deter players seeking more frequent wins

Minimum and Maximum Bet

The betting range in Viking Lock is designed to accommodate both casual players and high rollers. The minimum bet is set at a modest $0.25, making it accessible for players with smaller bankrolls. On the higher end, players can wager up to $37.50 per spin, which caters to those looking to make larger bets. This range ensures that the game can be enjoyed by a wide variety of players, each with their own betting preferences.

Game Jackpot

Viking Lock does not feature a progressive jackpot, meaning that the maximum win is capped and based on the game’s paytable, which can award up to 5535 times the stake. The game operates with a Return to Player (RTP) of 95.79%, which is slightly below the industry average but can be increased to 96.39% with the Strike Bet feature. The game’s variance is high, indicating that payouts may be less frequent but potentially larger when they occur.

About Provider

Boomerang Studios, the developer of Viking Lock, is known for creating visually stunning and innovative online slots. The studio focuses on integrating unique gameplay features and engaging themes, which are evident in Viking Lock. Their games are designed to provide a rich user experience with high-quality graphics and sound, making each slot a memorable gaming adventure. Boomerang Studios continues to make its mark in the gaming industry with each new release.

How To Play

  1. Setting Your Bet: Start by setting your bet level using the controls provided. You can adjust the amount from $0.25 to $37.50 per spin.
  2. Understanding Paylines: Know that the game features 25 fixed paylines, which means all lines are active for every spin.
  3. Spinning the Reels: Once your bet is set, click the spin button to start the game. The reels will spin and then come to a stop showing the result.
  4. Activating Bonus Features: Watch for the Lock Reel feature which can trigger randomly, and the free spins which activate when three or more Scatter symbols land on the reels.
  5. Adjusting for RTP: If you wish to potentially increase the RTP, consider activating the Strike Bet feature, which enhances the likelihood of triggering the Lock Reel feature on the first four reels during every spin in the main game.
  6. Collecting Wins: Wins are awarded for matching symbols on paylines as per the game’s paytable. The Lock Reel feature can help create more lucrative winning combinations.


Viking Lock by Boomerang Studios offers a thrilling Nordic adventure with a rich blend of features that can significantly enhance gameplay and increase potential payouts. The game’s high-quality visuals and thematic consistency offer an immersive experience, while the innovative Lock Reel and free spins features provide substantial gameplay depth. Despite its slightly lower base RTP and lack of a progressive jackpot, Viking Lock’s engaging mechanics and potential for high payouts make it a noteworthy slot in the modern gaming landscape.