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Games Like Operation: Harsh Doorstop - Development Build
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This version of Operation: Harsh Doorstop is updated nightly with all "work-in-progress" features that are currently being developed for the game. Our development team uses this to organize exclusive playtests for our paid supporters. You can gain access to these events by purchasing the game here.
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About Operation: Harsh Doorstop - Development Build
What is the Operation: Harsh Doorstop "Development Build" Closed Beta?
The Closed Beta "Development Build" is a dedicated version of Operation: Harsh Doorstop that provides exclusive access to the latest *work-in-progress* features, experimental updates, and internal playtests. Updated nightly, this branch is the frontline of development, where our team tests new systems and mechanics before they’re released to the public.
By joining the Closed Beta, you'll gain early access to upcoming content, help shape the future of the game, and participate in organized playtests hosted by our development team.
Exclusive early testing of new features.
Support Development & Play Early
Access to the Closed Beta is available in two ways:
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Purchase the Supporter Edition upgrade from the Operation: Harsh Doorstop Steam page, which includes Closed Beta access plus additional supporter rewards.
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Purchase Closed Beta access directly from this store page at a discounted price (without the extra Supporter Edition rewards).
All funds from Closed Beta and Supporter Edition sales go directly towards ongoing development and supporting our growing modding community.
Get involved and support the future of Operation: Harsh Doorstop.
Modding & SDK Access
The Closed Beta also features its own dedicated Steam Workshop and SDK environment. Mod creators can use this to:
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Test mods against upcoming game versions.
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Prepare content for future public releases.
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Experiment with unreleased features and assets.
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Use advanced debugging tools to identify and fix mod issues.
Whether you're fine-tuning existing mods or building entirely new experiences, the Closed Beta gives you the tools to stay ahead of the curve.
Modding with unreleased content and new tools.
Key Features
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Nightly updates with experimental features and content.
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Access to exclusive playtests with the development team.
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Dedicated Steam Workshop and SDK for testing mods.
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Advanced debugging tools for mod creators.
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Support ongoing development and community modding efforts.
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Early hands-on access to future gameplay systems.
Step behind the scenes and join us in building the future of tactical gaming. Whether you're a player eager to try the latest updates or a creator refining your next mod, the Operation: Harsh Doorstop Closed Beta is your gateway to the cutting edge.
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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