PSeudo JS

Summary

PSeudo JS is ranked #23 of 25 in PlayStation emulators on Samsung Mobile US Press. It runs on Web.

Compared on PlayStation emulators

Supported platforms

Webnaden.co

BIOS required

Yesnaden.co

License model

open-sourcenaden.co

Facts

What it does

PSeudo JS is a PlayStation (PSX) emulator based on JavaScript.github.com · 4 Oct 2026

Codebase

It uses .h headers alongside .js files, inlines modular code for optimization before runtime, and is compatible with ES5 JavaScript onwards.github.com · 4 Oct 2026

Build requirement

Building PSeudo JS uses the Clang compiler and the repository instructs users to run the build command in a terminal.github.com · 4 Oct 2026

Run requirement

The project must run from a localhost server such as Apache, and testing requires a valid BIOS file in the bios folder.github.com · 4 Oct 2026

BIOS sourcing

The maker says it will not provide information on where to find a BIOS file.github.com · 4 Oct 2026

Game support

The emulator can load some commercial games.github.com · 4 Oct 2026

Performance limitation

The maker describes speed and overall experience as mediocre at best and timing as quite inaccurate.github.com · 4 Oct 2026

CPU implementation

The project uses a slow CPU interpreter, with an attempt to speed it up using a JavaScript tracer planned later.github.com · 4 Oct 2026

Progress

The repository lists CPU Mips R3000A at 95%, DMA at 90%, CD Decoder at 75%, Audio at 60%, and XA Audio at 10%.github.com · 4 Oct 2026

License

PSeudo JS is open source under the Apache 2.0 license.github.com · 4 Oct 2026

Browser technologies

The project repository tags it with WebAudio and WebGL.github.com · 4 Oct 2026

Where it ranks on Samsung Mobile US Press

• Best PlayStation Emulators in 2026#23 of 25

Sources

• github.com/koluris/pseudo-js· checked 4 Oct 2026