Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

ProjectPSX

Free#18 of 25 in PlayStation Emulators

ProjectPSX: A focused, free PS1 emulator for Windows and Linux with core hardware support. Ranked #18 of 25 in PlayStation Emulators by our editors (6.1/10); pricing: Free plan; best for minimal open-source PS1 emulation.

6.1/10Editor score
Visit ProjectPSX
ProjectPSX6.1 Visit ProjectPSX

At a glance

  • Editor score
    6.1 / 10
  • Pricing
    Free plan
  • Best for
    Minimal open-source PS1 emulation
  • Free plan
    Yes
  • Paid from
    Free
  • Supported platforms
    Windows, Linux
  • Facts checked
    20 Sep 2026
ProjectPSX screenshot

  • Where it wins

    • Covers CPU, GPU, CD-ROM, audio, video, and memory cards
    • Supports BIN and CUE disc-image files
    • Available for Windows and Linux under an open-source license

  • Where it doesn't

    • Requires a valid PlayStation BIOS
    • Hardware implementation is incomplete
    • Limited to Windows and Linux platforms

Our verdict on ProjectPSX

ProjectPSX is an experimental C# emulator for the original Sony PlayStation, also known as PS1 or PSX. It is aimed at users who want a free, open-source implementation focused on the console’s core systems rather than a broad multi-platform emulation suite. The project includes WinForms and OpenTK front ends, supports Windows and Linux-oriented use, and accepts BIN or CUE disc-image files. Keyboard-mapped digital controller support, memory cards, and the main PlayStation processing components are included in its scope.

Its strongest point is the breadth of core hardware represented in a compact project. ProjectPSX implements MIPS R3000A CPU emulation with Coprocessor 0, the Geometry Transformation Engine, a software polygonal GPU rasterizer, CD-ROM commands, DMA transfers, timers, MDEC decoding for 16- and 24-bit FMV, SPU audio, memory cards, and digital controllers. That coverage gives technically minded users a clear foundation for exploring original PlayStation architecture while keeping the project centered on PS1 emulation.

Setup has an important prerequisite: a valid PlayStation BIOS is required. The project is described as a work in progress with incomplete hardware implementation, so it is better suited to users comfortable with an experimental emulator than to anyone seeking a finished compatibility-focused application. Its open-source license and Windows/Linux availability fit developers, learners, and minimal-emulation enthusiasts. Users who need a broad compatibility reference, complete hardware coverage, or support beyond Windows and Linux should choose an alternative.

Your product? Our editors can test ProjectPSX in depth and publish a review, labelled as paid · from $149/mo →

ProjectPSX pricing

Plans Free planFree Free to use — no paid tier required for the core job.
See plans on github.com

ProjectPSX fact sheet

Free planYes
Paid fromFree
Supported platformsWindows, Linux
BIOS requiredYes
Disc-image formatsBIN, CUE
NetplayNot verified
RetroAchievementsNot verified
Cheat supportNot verified
License modelOpen-source
DeploymentDesktop
PlatformsWindows, Linux
SupportCommunity
Built forSolo (editorial estimate)
PricingFree plan
Websitegithub.com
Facts checked20 Sep 2026

Alternatives to ProjectPSX

See all ProjectPSX alternatives →

Used ProjectPSX? Be the first to review it

The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used ProjectPSX for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.

Write a reviewTwo minutes · verified accounts only · read by an editor before it appears

Reviews come only from verified accounts. Sign in or create an account first — your e-mail is never shown.

Your rating

0 characters · at least 80, up to 3,000

Posted from your verified account. Reviews appear after an editor reads them, usually within two working days.

Featured on iTechGuides

Featured on iTechGuides — ProjectPSX 6.1/10

ProjectPSX is listed in our PlayStation Emulators directory. Add the badge to your site — it links back to this page.

<a href="https://www.itechguides.com/products/projectpsx/"><img src="https://www.itechguides.com/best/badge/projectpsx.svg" alt="Featured on iTechGuides" width="230" height="46"></a>

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Last updated · How we research and update