# stenzek/duckstation

Fast PlayStation 1 emulator for x86-64/AArch32/AArch64/RV64

Repository: https://github.com/stenzek/duckstation
Canonical: https://ross.abutalabs.com/products/duckstation
Language: C++
License: NOASSERTION
License Family: other
Topics: playstation, psx, emulator, opengl, jit-compiler, vulkan, hardware-renderers, fast, appimage, ps1, enhancements
Last push: 2026-08-26T11:30:48+00:00

## Health v2 (maintenance only)
Score: 98/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 99, release rhythm 97, longevity 100
- inputs: {"age_days": 2550, "days_push": 7, "days_rel": 22, "gap_med": 9.0, "n_releases_24m": 25}
- flags: no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 10584, forks 953 (observed 2026-08-28T04:10:42.462136+00:00)

## What it is
DuckStation is a fast, accurate PlayStation 1 (PSX) emulator for x86-64, AArch32/AArch64, and RISC-V platforms. It ships a Qt frontend plus a fullscreen UI, with hardware renderers (D3D11/12, OpenGL, Vulkan, Metal), upscaling, save states, and many enhancement features.

## Use cases
- play playstation 1 games on pc
- emulate psx with upscaling and texture filtering
- run ps1 games on linux or mac
- use save states and rewind while playing ps1 games
- play ps1 games on low-end hardware
- replace ps1 textures with hd texture packs

## When to choose
- you want a fast, accurate PS1 emulator on Windows, Linux, or macOS
- you need hardware rendering with upscaling, PGXP, and post-processing shaders
- you want save states, rewind, and runahead for low-latency play
- you run on ARM or RISC-V devices

## When to avoid
- you need to emulate PlayStation 2 or later consoles
- you cannot provide your own PS1 BIOS image
- you want a plug-and-play emulator with bundled ROMs or BIOS (not provided for legal reasons)

## Facets
- artifact type: application
- maturity: active
- function: game-engine, graphics, simulation, gui
- domain: gaming-tools, simulation, cross-platform
- platform: windows, cpp
- tags: ps1-emulator, playstation, jit-compiler, vulkan, opengl, retro-gaming, upscaling, save-states, linux, macos, desktop

## Member repositories
- stenzek/duckstation (main) score 98

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:10:42.462136+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-29T17:18:30.302646+00:00, confidence not recorded.
  - readme: https://github.com/stenzek/duckstation (fetched 2026-08-28T04:10:42.462136+00:00, sha 6472cf3017ef)
- Data as of 2026-08-30T08:39:29.467469+00:00.