MHRD is a hardware design game, in which you design various hardware circuits in a hardware description language. The hardware circuits you design get more complex as you go until you create a fully functional CPU design.
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Curator Review

Recommended
By Hidden Linux Gems October 28, 2017

“A different take on the engineering and programming game trend where you solve challenges with truth tables and a DSL. Start with a NAND, create other logic gates and registers, and ultimately a CPU.”

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About This Game

Welcome to Microhard
- Become a hardware engineer
- Join the hardware startup Microhard
- Immerse yourself in the technology of the 80's
- Disrupt the tech industry

Build your own CPU
- Design hardware circuits with the integrated hardware development environment
- Write your designs in the MHRD hardware design language
- Create hardware designs based on more than 20 specifications (e.g. multiplexer, adder, ALU, RAM, etc.)
- Simulate and verify your designs
- Read the included manual to get started on your career as a hardware engineer
- Reuse completed hardware designs to build more complex ones
- Design a fully functional CPU and get your mind blown!

System Requirements

Windows
macOS
SteamOS + Linux
    Minimum:
    • Requires a 64-bit processor and operating system
    • OS *: Windows Vista / 7 / 8 / 10
    • Processor: x86 (64-bit)
    • Memory: 1024 MB RAM
    • Graphics: Integrated Graphics
    • Storage: 150 MB available space
    Recommended:
    • Requires a 64-bit processor and operating system
* Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.
    Minimum:
    • OS: Mac OS X 10.9 or later
    • Processor: Intel Only
    • Memory: 1024 MB RAM
    • Graphics: Integrated Graphics
    • Storage: 150 MB available space
    Recommended:
      Minimum:
      • OS: Ubuntu 10.04+
      • Processor: x86 (64-bit)
      • Memory: 1024 MB RAM
      • Graphics: Integrated Graphics
      • Storage: 150 MB available space
      Recommended:

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      Very Positive (409 reviews)






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