Phaethon

The four games

One launcher and one runtime for all four. Every game starts retail-faithful; this is where each one stands today.

Where each stands

One launcher, one runtime, four games.

the source file counts are read from the tree at develop f183c49b · 26 Sep 2026 · each game's discs, regions and lists below

Jak and Daxter

The Precursor Legacy2001 · Playable533 source files in the treeSCUS-97124 · SCES-50361
NTSC-U · PAL

One seamless world with no loading screens, and Precursor orbs in every corner of it.

Jak II

Haven City2003 · Playable849 source files in the treeSCUS-97265 · SCES-51608
NTSC-U · PAL

Haven City, dark eco, and a much sharper edge than the first game.

Jak 3

The Wasteland2004 · Playable1041 source files in the treeSCUS-97330 · SCUS-97516 · SCES-52460
NTSC-U · PAL

The Wasteland, light eco, and the end of the trilogy.

Jak X

Combat Racing2005 · In progress776 source files in the treeSCUS-97429
NTSC-U

Combat racing across the trilogy's world, which OpenGOAL never ported.

Jak and Daxter · 2001 · Playable

One seamless world with no loading screens, and Precursor orbs in every corner of it.

SCUS-97124 · SCES-50361 · NTSC-U · PAL · 533 source files in the tree at develop f183c49b

What works

  • The game runs, with retail-behavior fixes carried in Phaethon.

In progress

  • Nothing is listed in progress; the roadmap says what comes next.
See the roadmap
Jak II · 2003 · Playable

Haven City, dark eco, and a much sharper edge than the first game.

SCUS-97265 · SCES-51608 · NTSC-U · PAL · 849 source files in the tree at develop f183c49b

What works

  • The game runs, with retail-behavior fixes carried in Phaethon.

In progress

  • Nothing is listed in progress; the roadmap says what comes next.
See the roadmap
Jak 3 · 2004 · Playable

The Wasteland, light eco, and the end of the trilogy.

SCUS-97330 · SCUS-97516 · SCES-52460 · NTSC-U · PAL · 1041 source files in the tree at develop f183c49b

What works

  • The game runs, with retail-behavior fixes carried in Phaethon.

In progress

  • Nothing is listed in progress; the roadmap says what comes next.
See the roadmap
Jak X · 2005 · In progress

Combat racing across the trilogy's world, which OpenGOAL never ported.

SCUS-97429 · NTSC-U · 776 source files in the tree at develop f183c49b

What works

  • The story, the races and the arenas run.

In progress

  • Bring-up continues on the remaining minigame and event roads.
  • Online multiplayer is on the roadmap: today the game's network road runs in loopback on one machine, and nothing crosses a wire yet.
See the roadmap
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 f183c49b CI green v0.2.0-rc6 26 Sep 2026