Das xBoot

Das xBoot is a complex, feature-rich online slot developed by Nolimit City. The game is heavily inspired by the critically acclaimed 1981 German war film “Das Boot”, which portrays the harrowing experiences of a German U-boat crew in the Atlantic Ocean during World War 2.

The action takes place in a murky sea beside a submarine, complete with gauges, a sonar display, and comic book-style graphics. The game builds tension with an atmospheric soundtrack described as a brilliant mix of Jaws, Klaus Doldinger, and Blade Runner 2049.

If you find this game interesting, Nolimit City has since released a direct sequel, Das xBoot 2wei!, which keeps the submarine setting and reworks the core features.

Das xBoot Slot Game Details

Game Data and Mechanics

Betting and Volatility

The base game is played on a 6-reel grid that starts in a 2-3-4-4-3-2 formation. This layout initially offers 576 ways to win, but can expand to a massive 75,712 under the right conditions. Players can wager anywhere from R0.50 to R450 per spin.

Das xBoot is rated by Nolimit City as extremely volatile, with a 10/10 volatility rating. The most generous return-to-player (RTP) version is 96.03%, though a lower version at 94.04% also exists. Base game hit frequency is roughly 22.07% to 22.17%, and free spins trigger on average once every 211 spins.

The maximum payout is a colossal 55,200 times the base bet. Triggering this max win initiates the “Das Gold Des Roter Teufel” animation sequence as the round shuts down.

Symbols and Payouts

The regular pay symbols include low-paying 10 to A card ranks. The premium symbols feature five crew members: chefs, radio guys, engineers, periscope operators, and captains. The highest-paying symbol is the Kapitanleutnant, which pays 20 times the stake for landing a six-of-a-kind.

Bonus Features

Nolimit City has packed Das xBoot with an arsenal of special modifiers and two main free spin modes.

Base Game Modifiers

The game includes several of the developer’s trademark mechanics:

• xNudge Wilds: These are 4-row high wild symbols that always nudge to become fully visible on the reels. For every nudge required, the wild multiplier increases by 1. They can land on reels 3 and 4 in the base game. All multipliers are added together to determine the final win.
• xWays: Landing on reels 2 and 5, the xWays symbol will reveal two or three instances of a regular random symbol, thereby increasing the total number of ways to win. If multiple xWays symbols land, they all reveal the exact same symbol.
• xBomb Wild Multipliers: When an xBomb lands, it increases the global win multiplier by 1 and then explodes to remove all non-winning symbols, making room for new symbols to tumble in. The xBomb itself converts into a wild symbol after exploding.

Silent Hunter Free Spins

Landing three sonar scatter symbols triggers 8 Silent Hunter Free Spins. During this bonus, reel 3 expands to 8 rows high. A new Periscope Wild can land on this expanded reel. If it lands along with a connecting winning combination, a torpedo launch sequence begins.

If the torpedo successfully hits its target, the wild expands to cover the whole reel, nudges to the bottom, and increments the multiplier with every nudge. Any xBombs that land will award a sticky win multiplier that lasts for the remainder of the feature. Any additional scatter symbol adds 2 extra free spins.

Wolf Pack Free Spins

If four scatter symbols appear in view, the game awards 8 Wolf Pack Free Spins. A torpedo tube is added beneath reels 2-5. Landing torpedo wild symbols will drop xWays symbols inside the torpedo area.

Once all four torpedo parts are collected, the torpedo launches, revealing xWays symbols on the reels. Launching a torpedo or landing an xBomb will increase the win multiplier by 1. Just like the other bonus, additional scatters grant 2 extra free spins.

Nolimit Bonus Feature Buy

For players who prefer to jump straight into the action, Das xBoot offers a bonus buy option. The Silent Hunter Free Spins can be purchased for 75x the bet, increasing the RTP to 96.57%. Alternatively, the highly volatile Wolf Pack Free Spins cost 350x the bet and offer an RTP of 96.58%. Note that this feature buy functionality may not be available in all regulated markets.

Verdict

Das xBoot is another highly complex and volatile juggernaut from Nolimit City. While the bonus features may seem a bit confusing initially, the game mechanics harmonise beautifully after a few bonus rounds.

The World War 2 submarine theme comes to life with impressive comic-book aesthetics and a fantastic soundtrack, making the perilous ocean hunts feel both exciting and menacing.

With its mix of xNudge, xWays, and xBomb mechanics, along with a massive 55,200x max win potential, Das xBoot is a stimulating slot that seamlessly balances tension and immense rewards.

Play Our Demo Game

Play our free Das xBoot demo slot game.