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Phaethon

docs / v0-2-0-rc6

Launcher v0.2.0-rc6

Launcher v0.2.0-rc6

Released 2026-09-26.

Install

  • Phaethon's addresses moved to playphaethon.com.

Account

  • Sessions you play while signed in are reported to your Phaethon account, and to no other.
  • Your profile shows play time from Phaethon, or from this PC when Phaethon cannot be reached.
  • Your profile lists each game with its play time, last play and whether its saves are backed up.

Newer: v0.2.0-rc7 · Every launcher release · Older: v0.2.0-rc5

Phaethon is a hard fork of OpenGOAL's jak-project. Naughty Dog made the games; you need your own copy of each. built from the wiki · 4 Nov 2026
Phaethon

Built with AI in the loop. Phaethon uses AI assistance for speed and accuracy, and holds it to the same bar as every other contribution: every change is read, tested and checked against the console before it lands.

develop 6332c399 CI green v0.2.1 Nov 4, 2026

Phaethon is an unofficial fan project. It is not affiliated with, endorsed by or associated with Sony Interactive Entertainment, Naughty Dog or the OpenGOAL project. Jak and Daxter is a trademark of Sony Interactive Entertainment. You need your own copy of each game. Icons from Lucide, ISC; JetBrains Mono under the SIL Open Font License.

Under construction

This site is still being built.

Nothing links to playphaethon.com yet, so you have found it before it is ready. Some of what it says may be wrong, out of date or attributed to the wrong source. Treat it as a work in progress until this notice is gone.