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A Lock and Key A Magical Girl Mystery Steam Key — also known as a CD Key or digital code — is the official activation code you redeem on Steam and keep in your library permanently. From €14.79 (no fees) at Steam · 1 verified stores, 1 offers in stock · Updated 22min ago.

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Instant Gaming 4.7 (843.1k)
Steam Card No keys for this game yet. Top up your Steam Wallet and buy it there. View cards
Official stores
Steam 1.8 (3.7k)
No code available
€14.79
Store Steam
Global Icon
Region Global
Steam Key
Product type Steam Key
Standard
Edition Standard
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Fees -

About Lock and Key A Magical Girl Mystery

What does it mean to be a magical girl?

This is the question at the heart of Lock and Key, a magical mystery visual novel set in a world shaped by your interpretation of the magical girl genre.

Sherri and Kealey Cohen, now a married couple in their late 20s, left the title of magical girls behind them over a decade ago. Now on the verge of losing their powers and entering a life of true normalcy, a string of unexplainable murders forces them to come out of retirement for one last adventure. Together with Nina, their old friend, and Ruby, a new protégé, Sherri and Kealey will have to face a mystery connected both to their past and future. In the world of Lock and Key, the player shapes their path... and more importantly, determines where that path will end.

Since this is a visual novel, you the reader are in control! The decisions you make in-game will determine the outcome of the story, and the fates of the characters in it.

Characters

Features

  • Incredible character artwork by milkgrrl

  • A gripping narrative that's a love letter to classic magical girl shows and manga

  • Multiple endings shaped by the player's beliefs and choices

  • An original soundtrack by Sarah Mancuso

  • Data viewer with expanded lore and character biographies

  • Definitely no monsters or anything, we promise

How much does Lock and Key A Magical Girl Mystery for PC cost right now?

Lock and Key A Magical Girl Mystery for PC starts at €14.79 (no fees) at Steam, a Steam key.

There is a single verified offer for it right now, so this price is the market rather than the best of several.

Is it worth buying the Steam Key for Lock and Key A Magical Girl Mystery now or waiting?

That €14.79 (no fees) key is expensive for what it usually costs.

  • Those €14.79 (no fees) are 4% above what it usually costs, measured on the store price.
  • Only 1 stores sell the Steam Key, and with that little competition the price barely moves.
  • Across the 365 days we have tracked it, it has only been pricier than today on 0 days. The lowest it has ever cost is €11.09.
If you do not need it today, waiting pays off: we have seen it at €11.09 and right now you would pay €3.70 more. We will tell you the day it drops.

Worked out from 377 daily records of the Steam Key for Lock and Key A Magical Girl Mystery across 1 stores. See the full price history.

The price does not include each store's payment fees. The percentage is measured on the store price, without coupons, because that is how we record the history. The analysis only counts Key offers. Shared accounts, Steam Gift and physical editions stay out, because they are not the same product and their prices move differently.

Can you activate Lock and Key A Magical Girl Mystery in US?

All 1 offers are Global, so the code redeems on any account no matter where it was created.

Most common FAQs when buying Lock and Key A Magical Girl Mystery for PC in digital format:

It is a key that will allow you to download the game Lock and Key A Magical Girl Mystery on your PC from official download platforms.
As of 02/11/2026, in United States, the best price we have found in our selection of online stores that include the key for Lock and Key A Magical Girl Mystery on PC is €14.79 (no fees).
The Steam Key format is what we always recommend due to its ease of use and higher security compared to any other format. You just need to redeem the key in your account to download Lock and Key A Magical Girl Mystery to your game library. The account format requires more complicated steps and is more prone to errors during activation.
The only issue we’ve encountered in 13 years is receiving a duplicate key that doesn’t work. In that case, simply contact the store where you bought Lock and Key A Magical Girl Mystery, and they will provide a new key. You can also contact us, and we’ll help you out.
Delivery times vary by store. For example, in the case of Instatgaming, Eneba, G2a, or Kinguin, delivery is usually instant or takes just a few minutes. These stores rarely delay game deliveries.

Other stores may take 30–40 minutes depending on game availability. On release days, delivery times may be slightly longer.

If you notice an unusually long delay, contact the store or us, and we’ll resolve it as quickly as possible.
At Gocdkeys, we only list the most well-known stores that have passed our quality checks. One of the most important factors is good customer support, and all listed stores offer it.

There have been occasions when those services were overwhelmed, which is why we also offer 24/7 customer support to help resolve any issues or questions.

In any case, we always offer a 100% guarantee, so you won’t have any problems, and if you do, we’ll resolve them as soon as possible.

Need more help? Use our FAQs.

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Lock and Key A Magical Girl Mystery

Is it worth it?

  • 100%Steam reviewsPositive · 31 reviews
Write a review → See it on Steam →

What the press says

US 2

Cubed3

70

A Magical High School Girl is an amusing endeavour with a lot of creativity and charm. The dungeons won't impress, but its inhabitants are handled... Read more

oprainfall

60

When A Magical High School Girl is fair, it’s fun. It’s a solid game for the price of $14.99 with some caveats that I mentioned... Read more

About the game

Release date
30 Sep 2025
Genre
Adventure Casual Visual Novel
Modes
Singleplayer
Setting
Story Rich Mystery 2D
Languages
English

Requirements

Minimum:
  • Requires a 64-bit processor and operating system
  • OS *: Windows 7
  • 2 GHz Intel or AMD Processor
  • 2048 MB RAM
  • OpenGL 2.0+ or DirectX 9.0c compatible GPU
  • 1 GB available space
Recommended:
  • Requires a 64-bit processor and operating system
Minimum:
  • 10.10
  • 2 GHz
  • 2048 MB RAM
  • OpenGL 2.0+ or DirectX 9.0c compatible GPU
  • 1 GB available space
Minimum:
  • Debian or RHEL-derived distribution
  • 2 GHz
  • 2048 MB RAM
  • Debian or RHEL-derived distribution
  • 1 GB available space

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