Das xBoot slot review

Das xBoot slot specifications at a glance

Das xBoot is a Nolimit City release from 14 September 2021, and the studio rates it at the top of its own volatility scale. The figures below are the ones we hold as verified. Anything outside them, such as symbol values or exact multiplier rules, sits in the game's help screen, and you should read that before staking real money.

The 96.03% figure is the default version. Casinos can be supplied with other settings, so always check the RTP shown in the game's information panel at the casino you use.

How the features work in Das xBoot

Das xBoot packs several Nolimit City mechanics into one game. The base game has three special symbol types, and the bonus comes in two versions depending on how many scatters start it.

Three special symbols in the base game

• xNudge Wilds are four symbols tall. Each time one nudges along its reel, its multiplier goes up by 1.
• xBomb Wilds explode when they land; the help screen explains what the blast does to the symbols around them.
• xWays symbols reveal extra symbols, adding positions to their reel and with them more ways to win on top of the 576 the diamond grid gives by default.

Our xWays and xNudge guide explains both of those mechanics across Nolimit City's catalogue.

Silent Hunter Spins

Three scatters start Silent Hunter Spins. The middle reel is enlarged for the round, and Periscope Wilds land on it, expanding and nudging. Every nudge builds their multiplier, in the same spirit as the base-game xNudge Wilds.

Wolf Pack Spins

Four scatters start Wolf Pack Spins instead. In this version a torpedo collects xWays symbols together with their multipliers, so the value of the round comes from what it gathers up.

The number of spins in each round and the detailed multiplier rules are set out in the help screen, and OLBG's Das xBoot review (opens in a new tab) covers both bonus types. Feature buy-ins are not offered to British players, so both rounds come only from normal spins.

How the diamond grid creates 576 ways

Most slots use a rectangle. Das xBoot narrows at both ends: the outer reels show two symbols, the next pair show three, and the two centre reels show four each. On a ways to win slot, the number of ways is simply the symbols on each reel multiplied together.

That gives 2 × 3 × 4 × 4 × 3 × 2 = 576. Compare that with a plain 6 × 4 rectangle, which would give 4 multiplied by itself six times, or 4,096 ways. The narrow ends mean any win that needs to stretch across all six reels has to pass through a two-symbol bottleneck at each side, which is one reason the base game can feel stingy.

The ways figure can climb to 75,712 during play. The xWays symbols are what add positions: each one reveals extra symbols on its reel, as the features section above explains. What matters for your wallet is that the large ways counts belong to rare spins, not to the typical one.

Das xBoot RTP and the real cost per spin

Return to player is a long-run average over millions of spins. The flip side is the house edge: 100% − 96.03% = 3.97%. Multiply your stake by that edge and you get the average cost of one spin.

These are averages, and on an extreme slot the average is almost never what you see. A typical session loses more than the table suggests, because a slice of the RTP is locked away in outcomes so rare that most players will never hit them. Read our guide to slot volatility for why that gap exists.

Extreme volatility on a £20 budget

Volatility describes how bumpy the ride is, not how much you lose on average. Two slots with the same RTP can behave very differently: one pays small amounts often, the other pays little for long spells and then occasionally pays a lot. Das xBoot sits firmly in the second group.

Here is a simple way to picture a £20 budget. If every spin lost, £20 buys 200 spins at 10p, 40 spins at 50p or 20 spins at £1. Small wins stretch that, but on an extreme game you should expect the balance to fall faster than on a calmer slot. The average-turnover sum (£20 ÷ 0.0397 ≈ £504 staked before the budget is gone) is only a theoretical midpoint; plenty of real sessions end far sooner, and a few run much longer.

• At 10p a spin, £20 gives the most spins and the best chance of seeing a feature at all, but any big win is capped at £5,520.
• At 50p, the budget covers far fewer spins, so a long dry spell can end the session before anything happens.
• At £1, 20 losing spins clear the lot. This is a high-risk way to play an extreme slot with a small budget.

If you want a feel for spin counts on other games, our answer to how long £20 lasts on a slot works through more examples.

The 55,200x max win in pounds

A max win is a cap, not a target. Once a round reaches 55,200 times the stake, it ends and pays that amount. Here is what the cap means at different stakes.

The developer doesn't publish how often the cap is reached, and we don't quote third-party estimates. The safe assumption is that it is extraordinarily rare. Treat the figure as the edge of the game's range rather than something to plan around.

Playing Das xBoot online in the UK

UK versions of Das xBoot follow the Gambling Commission's slot rules, which change how the game handles compared with versions sold elsewhere.

• Stake limits: £5 per spin if you are 25 or over (from 9 April 2025), £2 if you are 18–24 (from 21 May 2025), as set out in the Commission's online slot stake limit guidance (opens in a new tab). See our page on UK slot stake limits.
• Speed: each spin takes at least 2.5 seconds, and turbo, quick spin and slam-stop are not allowed.
• No autoplay: every spin is started by hand, explained on our autoplay ban page.
• No fake celebrations: a return equal to or below your stake can't be dressed up as a win.
• Feature buys: since a Gambling Commission warning in January 2020, feature buy-ins are not offered to British players, following the Commission's games warning for online operators (opens in a new tab). More on our feature buy rules page.

Even at the fastest legal pace of one spin every 2.5 seconds, you could play at most 1,440 spins an hour. At £1 a spin that is a theoretical average cost of 1,440 × £1 × 3.97% ≈ £57 an hour, which shows how quickly an extreme game adds up.

How to play the Das xBoot slot sensibly

1. Set a deposit limit in your casino account before you start; UK casinos must prompt you to set one before the first deposit.
2. Open the game and read the help screen, including the RTP shown for that casino's version.
3. Choose a stake that gives at least 100 spins from your session budget, such as 10p or 20p on £20.
4. Spin manually and watch the net position and session timer the game displays.
5. Stop when your budget or time limit is reached, whatever the balance looks like.

If you find yourself raising the stake to win back losses, stop and read our page on chasing losses.

Das xBoot myths and facts

The gambler's fallacy catches people out most on high-volatility games, because the dry spells are longer and the urge to wait for the turn is stronger. Random results don't balance out on a schedule.

Similar slots to Das xBoot

If extreme Nolimit City games suit your budget, these sit close by. Figures are developer defaults.

For calmer options, browse our low volatility slots or go back to the full slot reviews hub.

Where to play Das xBoot in the UK

Our partner offers are general slot offers, and none of them names Das xBoot, so check each casino's game lobby to see whether it is listed. 18+ and terms apply to every offer below.

• PlayOJO: new UK customers (excluding Northern Ireland) get 80 free spins on Big Bass Bonanza after a first deposit of at least £10; spins are worth 10p each and winnings are paid in cash with no wagering. The spins can't be used on Das xBoot.
• Coral: deposit (certain types excluded) and bet £10 or more on slots to get 100 free spins on selected games, worth 10p each, accepted within 48 hours and valid for 7 days, with no wagering on winnings. The offer runs from 1 October 2026 to 1 February 2027.
• Ladbrokes: deposit and play £10 or more on slots to get 50 free spins a day for 10 days (up to 500), 10p each on selected games, claimed by 23:59 each day and valid for 7 days, with no wagering.

Coral and Ladbrokes are both run by LC International Limited, so you may not be able to open new accounts at both. Read our PlayOJO review for the full picture on that brand.

18+. Every casino game has a built-in house edge, so over time you should expect to lose what you stake. Set a budget before you play and stop when it’s gone: safer gambling tools and support. Free, confidential help: National Gambling Helpline 0808 8020 133.