Do I need the original game files to run 3SX?

Yes. The project does not include the original game's assets, so you need your own copy. Requires a legally obtained copy of Street Fighter III: 3rd Strike or Street Fighter Anniversary Collection for PlayStation 2.

3SX

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An existing game or its source code brought to another platform.

Based on Street Fighter III: 3rd Strike

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Image of the original game, Street Fighter III: 3rd Strike. This project has no screenshots of its own yet.

Street Fighter III: 3rd Strike (original game, not this project) — Image of the original game, Street Fighter III: 3rd Strike. This project has no screenshots of its own yet.

Links, repository & details

About

Street Fighter III: 3rd Strike is Capcom's 1999 competitive fighting game, still played at a high level today, originally arcade-only and later ported to PlayStation 2. 3SX is a native PC/Mac/Linux port of Street Fighter III: 3rd Strike, continuing directly from the 3s-decomp decompilation project. Unlike emulation-based options, it runs as native C code with GekkoNet-based rollback netcode for online play, and aims to fix arcade-balance regressions that were introduced in the PS2 version.

How it differs from the original

The project positions itself against three existing ways to play 3rd Strike today — emulation (hard to mod, weak controller/Linux/macOS support), the 30th Anniversary Collection version (considered subpar, no crossplay), and 3rd Strike Online Edition (abandoned, PC-unfriendly) — by offering cross-platform native support, an arcade-accurate balance target, and modern rollback netcode.

Getting started

Requires a legally obtained copy of 3rd Strike or the Street Fighter Anniversary Collection for PS2. Download a release, then either follow the startup wizard to point it at your copy, or manually copy the game's disc image file into the resources folder.

History

3SX continues directly from 3s-decomp, an earlier decompilation project by the same Crowded Street community.

Known issues & limitations

Fixes for arcade balance regressions from the PS2 version are a work in progress.

What you need to run it

Original game files required. The project ships code only; you provide your own copy of the game (Windows, macOS, Linux version). Requires a legally obtained copy of Street Fighter III: 3rd Strike or Street Fighter Anniversary Collection for PlayStation 2.

You need a legally obtained PlayStation 2 copy of the game or Street Fighter Anniversary Collection.

Features

It provides support for Windows, macOS, and Linux.
It uses rollback netcode for cross-platform play.

How to install

Download the latest release from the Releases page.
Follow the startup wizard prompts to provide your legally obtained PS2 copy.
Alternatively, copy <iso path>/THIRD/SF33RD.AFS into the resources folder.
Optionally edit the config to adjust settings.

Summarised from the project's README.

Provenance

Not Stated

FAQ

What is 3SX?: 3SX is an open-source port of Street Fighter III: 3rd Strike. An existing game or its source code brought to another platform. The original game ran on Windows, macOS and Linux.
Do I need the original game files to run 3SX?: Yes. The project does not include the original game's assets, so you need your own copy. Requires a legally obtained copy of Street Fighter III: 3rd Strike or Street Fighter Anniversary Collection for PlayStation 2.