What is the cheapest place to buy Boss Key?

Steam at $9.99 — an official store, and the lowest of the 1 store we compare for your region. Prices update through the day, so check the table above before buying.

No — Boss Key is a paid game. The cheapest we can find it is $9.99.

Has Boss Key ever been cheaper?

Yes — the lowest we have tracked since we started tracking it in September 2026 is $8.99. It is $9.99 today.

Can I play Boss Key on Mac?

Not natively — Steam lists no macOS version of Boss Key. Mac players would need a cloud gaming service or a Windows compatibility layer.

Does Boss Key have co-op?

Yes — Steam lists Boss Key with online co-op, split-screen co-op.

Is Boss Key on PC Game Pass?

No — Boss Key is not on PC Game Pass right now. The best price to buy it right now is $9.99.

Boss Key

Name: Boss Key
Brand: Institute of Card Game Studies
Availability: InStock

Institute of Card Game Studies · July 28, 2026 · Trading Card Game, Sandbox, PvP, PvE, Card Game

Buy Boss Key from Steam at $9.99 — the cheapest of 1 store we compare.

Sandbox deals Card Game deals

Best price

24 Fair price

$9.99

lowest tracked $8.99

Buy at Steam

Prices last checked 23 Sep 2026, 00:52 UTC

More games under $10 →More Steam deals →

Where to buy Boss Key — official stores

Steam

Standard Edition · Steam

$9.99

Buy

Boss Key price by region

Boss Key costs £7.45 in the United Kingdom, €8.49 in Europe (EUR), $9.99 in the United States, $9.99 in Georgia (USD), CA$13.75 in Canada, A$14.95 in Australia, NZ$17.49 in New Zealand, zł35.99 in Poland and R$54.99 in Brazil right now.

Cheapest Boss Key offer in each region, in local currency
Region	Best price	Official store	Key shop	Stores
United Kingdom	£7.45	£7.45	—	1
Europe (EUR)	€8.49	€8.49	—	1
United Statesyour region	$9.99	$9.99	—	1
Georgia (USD)	$9.99	$9.99	—	1
Canada	CA$13.75	CA$13.75	—	1
Australia	A$14.95	A$14.95	—	1
New Zealand	NZ$17.49	NZ$17.49	—	1
Poland	zł35.99	zł35.99	—	1
Brazil	R$54.99	R$54.99	—	1

Each row is a real price from that region's own stores, not a currency conversion, so the figures are not directly comparable. Switch regions in the header to shop the one you buy in.

Screenshots

About Boss Key

✦ AI summary

Boss Key is an all-in-one visual toolkit that lets you design, test, and publish custom trading card games without any coding required. Build everything from card mechanics to entire game modes using intuitive modules, test gameplay instantly, and share your creations with the community through integrated Steam Workshop support.

【Game Introduction】An all-in-one toolkit for card game development. Visually design, test, and deploy your game with smart templates and live previews. No code needed—turn your ideas into playable trading card games, quickly and solo.【Target Audience】

Card game enthusiasts who enjoy creating and playing with DIY content.
Independent card game developers, designers, and small-scale development teams.

【Key Features】This software is a one-stop development solution tailored for card games. We've packaged underlying technical complexities into intuitive visual modules, empowering you to bring your ideas to life easily:

Rapid Prototyping: Design and create cards in minutes, with no programming knowledge required.
Deep Customization: Freely define card attributes, skill logic, game modes, and even entirely new rules.
Instant Testing & Validation: Automatically build game logic based on your configured data and test gameplay directly within the software.
Seamless Content Sharing: Share your creations and gather immediate player feedback through the integrated Steam Workshop, enabling continuous iteration.
Full Technical Enablement: Access source code licensing and technical support to significantly reduce development costs and cycles, making it exceptionally friendly for individuals and small teams.

【Core Modules】

Card Editor
Comprehensively edit all aspects of your cards, including skills, art assets, sound effects, and more, supporting highly customized card creation.
Data Manager
Centrally manage various structured game data across multiple dimensions, including game modes, arenas, expansions, classes, races, factions, skills, trigger conditions, and level design.
Steam Workshop Integration
Easily publish, subscribe to, and rate community content, fostering a vibrant creator ecosystem.

【Version Information】

Beta Version (Free)
Access and help test the latest in-development features. Please note this version may undergo periodic data resets and its content is subject to change.
Full Version (Paid)
Provides a complete, stable game and editor experience, including all creation features and eligibility for ongoing updates.

Boss Key — game info

Platforms: Windows
Player modes: Single-player, Online PvP, Online co-op, Split screen
PC Game Pass: Not included

More games like this:Split-screen games

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Boss Key — questions & answers

What is the cheapest place to buy Boss Key?: Steam at $9.99 — an official store, and the lowest of the 1 store we compare for your region. Prices update through the day, so check the table above before buying.
Is Boss Key free?: No — Boss Key is a paid game. The cheapest we can find it is $9.99.
Has Boss Key ever been cheaper?: Yes — the lowest we have tracked since we started tracking it in September 2026 is $8.99. It is $9.99 today.
Can I play Boss Key on Mac?: Not natively — Steam lists no macOS version of Boss Key. Mac players would need a cloud gaming service or a Windows compatibility layer.
Does Boss Key have co-op?: Yes — Steam lists Boss Key with online co-op, split-screen co-op.
Is Boss Key on PC Game Pass?: No — Boss Key is not on PC Game Pass right now. The best price to buy it right now is $9.99.

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