Gran Turismo 4
PlayStation 22004In progress
gt4-decomp
Cover art and game details from IGDB.
- Original console
- PlayStation 2 · Sony, 2000
- Runs on
- Native PC
- Platforms
- Not confirmedCheck the project's page for the systems it supports.
- Method
- DecompSource code rebuilt by hand from the original game, then compiled for modern systems.
- Status
- In progress
- Last update
- Oct 2026
- AI use
- AI-assistedThe project says much of its code was written with AI tools.
Listing updated .
About Gran Turismo 4
Gran Turismo 4 is a racing video game, and the fourth installment in the Gran Turismo series. It is also the final game to support the Sony PlayStation 2. Gran Turismo 4 is one of only four titles for the PlayStation 2 that is capable of 1080i output. GT4 was delayed for over a year and a half by Polyphony Digital, and had its online mode removed. The game features over 700 cars from 80 manufacturers. The game also features 51 tracks, many of which are new or modified versions of old Gran Turismo favorites, with some notable real-world additions.
- Released
- 28 Dec 2004
- Genre
- Racing, Simulator
- Developer
- Polyphony Digital
About the original game, from IGDB ↗.
Gran Turismo 4 PC port: quick answers
- Do I need to own Gran Turismo 4?
- Yes. gt4-decomp needs game files from a copy you own. PlayPorted links only to the project page and never to game files.
- Is the Gran Turismo 4 PC port finished?
- Not yet. It is still in progress. Its last update was Oct 2026.
- Which systems does it run on?
- Not confirmed yet. Check the project page for the systems it supports.
- Is it an emulator?
- No. gt4-decomp rebuilds the game's source code, so it runs as a native program instead of through an emulator.
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