Barbarossa DoubleMax Slot Review by Peter and Sons
A 243 ways slot with free spins and a 20,000x maximum win
Play Barbarossa DoubleMax At These Top Rated Casinos
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18+. $30 minimum per stage. 40x bonus and spin winnings. First-stage spins released over 10 days. Stake, expiry and winning limits apply.
T's & C's Apply. New Depositors Only
T's & C's Apply. New Depositors Only
Min €20 per offer. 50x bonus within 48h; max bonus bet €5. Spin winnings cap €50. First cash bonus cap 10x bonus. Regional restrictions.
International offer. Min €10; 30x deposit + bonus and 60x spin winnings, slots only. Max bet lower of €5 or 10% of bonus/spin winnings. Claim before using deposit; check expiry. Regional restrictions apply.
Barbarossa DoubleMax Slot Overview
Barbarossa DoubleMax is a slot from Peter and Sons. It has 5 reels, 3 rows and 243 ways to win. A free spins round supplies the bonus action.
The game has a 94.10% RTP and a maximum win of 20,000x your bet. It came out in April 2023.
In this review, we explain the numbers and what they mean for your play. We also cover who the slot suits and where to find it. You can read more about the studio on our Peter and Sons software page.
Barbarossa DoubleMax at a Glance
| Developer | Peter and Sons |
| Layout | 5 reels, 3 rows |
| Ways to win | 243 |
| RTP | 94.10% |
| Max win | 20,000x your bet |
| Bet range | $0.20 to $50 |
| Free spins | Yes |
| Progressive jackpot | No |
| Release date | April 2023 |
Theme and Design
The title refers to Barbarossa, a name tied to pirates and history. The pages we checked do not describe the artwork or story in detail. For that reason, we keep the focus on the maths and the features.
The layout is simple. You get 5 reels and 3 rows, so the grid is easy to read. Wins form in 243 ways, which means symbols match on neighbouring reels from the left.
For another slot from the same studio, see our Peter Hunter review.
RTP, Ways to Win and Max Win
The RTP is 94.10%. RTP means return to player. It is a long term average, so it cannot predict a single session.
That figure is below the 96% that many slots offer. In other words, the house edge is bigger. It is worth knowing before you play for real money.
The game pays in 243 ways. You do not need symbols on a set line. Instead, matching symbols on neighbouring reels create a win. Bets range from $0.20 to $50 on the listing we checked, but casinos set their own limits.
The maximum win is 20,000x your bet. That is a very high cap. However, hitting it is extremely rare. Treat it as a ceiling, not a goal.
The studio does not publish a volatility rating on the pages we checked. For that reason, we do not state one here.
Barbarossa DoubleMax Bonus Features
The slot has a free spins round as its main bonus. The game has no gamble feature and no progressive jackpot.
Free Spins
Free spins let you play several rounds without spending your balance. The trigger and the number of spins are shown on the info screen. Read them before you play.
Autoplay and Quickspin
The game supports autoplay and a quickspin option. Autoplay runs a set number of spins for you. Set loss limits first.
The pages we checked do not list other special symbols or mechanics. For that reason, we only describe the features above.
How to Play Barbarossa DoubleMax
- Open the info screen: check the paytable and free spins rules.
- Choose your stake: pick a bet that fits your budget.
- Spin the reels: match symbols on neighbouring reels from the left.
- Look for the bonus trigger: it starts the free spins.
- Use autoplay with care: set a loss limit first.
- Stop on time: quit when you reach your budget.
Paylines vs Ways to Win
| Detail | Paylines | Ways to win |
|---|---|---|
| How wins form | Symbols match along a set line | Symbols match on neighbouring reels |
| Example | Peter Hunter, 20 lines | Barbarossa DoubleMax, 243 ways |
| Best for | Simple, classic play | More frequent win chances |
Who Is Barbarossa DoubleMax Best For?
The slot suits players who chase a very high win cap and accept a lower RTP.
It is a good match if you:
- Like ways to win: there are no fixed lines to follow.
- Want a huge ceiling: the 20,000x cap is one of the highest around.
- Play at a range of stakes: bets run from $0.20 to $50.
- Enjoy free spins: the bonus round is the main feature.
If you want the best possible RTP, other slots offer more. Compare before you commit.
Tips for Playing Barbarossa DoubleMax
- Try the demo first: learn the rules at no cost.
- Set a budget: decide your limit before you start.
- Keep your stake steady: do not chase losses.
- Check the RTP: your casino may use a different setting.
- Take breaks: play for fun, not for profit.
Where to Play Barbarossa DoubleMax
The slot is available at casinos that carry Peter and Sons titles. Availability varies by casino and country. Search the game lobby before you deposit.
You can compare operators in our casino reviews. To explore other studios, see our software providers list. Check each casino’s licence and terms before you sign up.
Pros and Cons
| Pros | Cons |
|---|---|
| 20,000x max win | 94.10% RTP is below average |
| 243 ways to win | No volatility rating published |
| Free spins round | Few other features listed |
| Wide bet range | No gamble or jackpot |
Our Verdict
Barbarossa DoubleMax FAQs
Who made Barbarossa DoubleMax?
Peter and Sons made it.
What is the RTP?
The RTP is 94.10%.
What is the max win?
The maximum win is 20,000x your bet.
How many ways to win does it have?
It has 243 ways to win on a 5 reel, 3 row grid.
Does it have free spins?
Yes. It has a free spins round.
When was it released?
It was released in April 2023.
Slots are a form of entertainment, not a way to make money. You must be 18 or older to play, so set a budget before you start.
Source: Peter and Sons game information, checked October 2026.
T's & C's Apply. New Depositors Only
T's & C's Apply. New Depositors Only
Katsubet
Welcome Bonus Offer
Up to €6,000+ 200 spins over four deposits35x bonus wagering; €1 welcome spin limit
Min €20 per stage; 35x bonus wagering, 14 days, max €1 spin stake. Second/third/fourth codes 2DEP/3DEP/4DEP before payment. Cash used first; early withdrawal forfeits bonus and winnings. Country and game restrictions apply.
T's & C's Apply. New Depositors Only
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