
An impossible locked-room murder: Captain Mortuga lies dead beside an ancient cauldron aboard the world’s strangest submarine, crewed by sketchy suspects. A handcrafted point-and-click with sharp humour and tricky puzzles. Dive into the next mystery from the creators of Tangle Tower & Crow Country.
Modeled estimate, not a reported figure. How we estimate →
Prices
The United States storefront in every case, so this compares stores and not countries.
Prices
Each in the currency that store quoted — not converted: the gap between two rows is the publisher's pricing, not an exchange rate.
Every market we collect.
About
In the pitch-black waters beyond a long-abandoned fishing town, the enigmatic captain of the world's strangest submarine has been murdered. Some say he was an immortal time-traveller. Others say he was a vampire, cursed to stay hidden beneath the waves forever...
Found alone in a locked room, with only an ancient stone cauldron to suggest how he might have died, it's up to Detective Grimoire and Sally to piece together what really happened. Was it a curse, released from the cauldron? One of the submarine's eccentric crew? Or does the bizarre truth run even deeper...
• Every clue is a fully realised 3D object waiting to be examined for hidden secrets
• Grimoire and Sally are back, and joined by a fully voiced cast of mysterious suspects
• A hauntingly beautiful original soundtrack performed by the Budapest Art Orchestra
• Explore every hand-painted inch of The Mortuga Submarine, where not all is as it seems...
*Voice audio is only in English
Genres
Sums Steam only; PlayStation publishes no volume signal, so the true total is higher by an unknown amount.
| Store | Price | Audience | Score | Chart | Est. revenue |
|---|---|---|---|---|---|
SteamYou are here | $19.99 | 2.9Kreviews | 99% | — | $1M |
| $19.99 | 69ratings | 96% | — | not modelled |
Matched by title — a reused name can pair the wrong games. * is a critic aggregate. Prices and positions are each store's United States storefront; Epic charts worldwide. Audience and Score too, except Steam's, which is worldwide.
Engagement
Reviews
Themes across 1487 recent reviews and how positive each mention is. A keyword signal, not full sentiment analysis.
Reviews
If you are looking for a puzzle game with a good mystery this is PERFECT. The case is detailed and gives you enough so you never feel too stuck, but also never feel like it is just walking you through the whole thing. Wide variety of puzzles and logic, the characters were all so unique and fleshed out, and the 3D elements really added a fun surprise. The set up and payoff of every detail was worth it
Absolutely beautiful game. The right level of challenge of puzzles, amazing art, music, story, beginning and ending. A masterpiece in the puzzle and story genre. Thank you devs for all the work!
Media

Related
Related
Price dynamics, follower growth, revenue and sales trajectories with interactive tooltips
This and every other Pro feature is free until October 20, 2026. A free account is all it takes.
Stats
All-time low is the lowest price we've recorded for this game since we started tracking it.
Languages: English*, French, Italian, German, Spanish - Spain, Japanese, Korean, Portuguese - Brazil, Russian, Simplified Chinese, Spanish - Latin America, Traditional Chinese*languages with full audio support
Hours played at review time, across 1.5K reviews with recorded playtime.
positive critical· bar length = how often the theme comes up
Se volvió una de mis aventuras graficas/point and click favoritas. No le tiene que envidiar NADA a Danganronpa o Ace Attorney en temas de diseño de personajes. Todos son sumamente carismaticos, entretenidos, super cuidados y detallados hasta el máximo. Hay un gran cariño y empeño en este juego y se nota por todos los detalles del mismo. Ampliamente superior a la primera entrega y ojalá tenga el éxito necesario para una secuela y los desarrolladores puedan brindarnos más historias porque tienen un talento inmenso para la creación de personajes y escenarios.
Сама по себе игра хорошая и локализация субтитров очень хорошая.
this game is such perfect sequel to the already amazing tangle tower !! the ui is so much better, the art has improved, the puzzles were SO fun, the story was intriguing and the ending was so cool & also unexpected like wow!!! if you want a beautiful game with fun characters & just a great story its def worth a play!!! i also love the tangle tower references!! my only nitpick is that sometimes it can be confusing to figure out what to do next to progress but there is a hint button which helps!
Each entry in this series just gets better!! The character design in this game is truly outstanding
还是tangle tower熟悉的配料,侦探双簧组,诗歌判词,奇奇怪怪的人物。 虽然气氛灵异,但基本上都是科学解释。过程充满张力和悬念,很吸引人,解谜没有任何难为人的地方,案子也比前作更有说服力。但有些一直困惑我的问题始终没得到解答,以至于最后通关还以为自己漏了什么线索,没打出真结局…
An excellent follow-up to Tangle Tower. The mystery is engaging, and the developers trust you to tackle the mystery at your own pace and at your own direction. Puzzles are fun head-scratchers, I definitely needed hints here and there. (Also, you can play with zero hints, which I did until I would cave on the occasional puzzle I couldn't wrap my head around!) The real heart of the game is the unique oddball characters. Beautiful animation and fantastic voice acting for every character in the game. I love that the devs included a gallery with all of the concept art and various notes about the game's development. The series continues to be a gem. SFB will continue to be an instant buy for me!
I look forward to playing this a little every night before bed, it's brilliant. I hope they're writing more, they just get better and better!
What a marvelous story, grabbed the heart out of my chest. This was worth the long wait. Gameplay is fun, the jokes are witty and i found myself cackling at some of the gags. Such an experience.
Selling now
See how fast this game is selling right now — estimated copies and revenue per day from recent review growth.
Active players
Estimated daily and monthly active players (DAU/MAU) modeled from peak concurrency.
Players by region
Where this game's players are, estimated from review languages.
Players also reviewed
The games this title's players most often review too — audience affinity.
Related
| Game | Estimated lifetime revenue | Reviews | Review score | Price |
|---|---|---|---|---|
| $1.8M | 6.8K | 95% | $19.99 | |
| $609.2K | 1.8K | 92% | $14.44 | |
| $83K | 291 | 87% | $15.99 | |
| $37.1K | 183 | 87% | $9.99 | |
| $13.2K | 109 | 95% | $8.99 | |
| $3.7K | 15 | 67% | $14.99 |
Related
| Game | Estimated lifetime revenue | Reviews | Review score | Price |
|---|---|---|---|---|
| $1M | 1.5K | 73% | $19.99 | |
| $1M | 988 | 87% | $34.99 | |
| $1M | 1.3K | 40% | $19.99 | |
| $1M | 1.4K | 81% | $19.99 | |
| $1M | 2.5K | 57% | $19.99 | |
| $1M | 2.2K | 94% | $24.99 |