
Release date: 2026-07-16
The cheapest The Mermaid Mask key that activates in New Zealand has a listed price of $24.79 at Steam (Steam, GLOBAL key). Checked .
An impossible locked-room murder: Captain Mortuga lies dead beside an ancient cauldron aboard the world’s strangest submarine, crewed by sketchy suspects. 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
Prices last checked . Each is the price the store lists; marketplaces add a service fee at checkout.
No. Steam sells it for $24.79, the lowest price we track in New Zealand.
The lowest price we recorded for The Mermaid Mask in the last 30 days, counting keys for every region, was $24.79. The lowest listed price for a key that activates in New Zealand is $24.79 today.
Not always. Stores that sell their own keys, such as Steam and GOG, add no service fee, though sales tax is added at checkout in the US and Canada. Marketplaces add a service fee at checkout, and some payment methods add their own, so on a marketplace the total at checkout will be higher than the price listed here.
Official stores sell their own keys. Marketplaces and third-party sellers sell keys from other sellers: check the seller and the key’s region before you buy, and pay through the store’s own checkout.
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Steam: Overwhelmingly Positive (99%) · 3,110 reviews