Why this core

Each line backed by a commit, test, or merged PR.

Every platform RetroArch runs on

16 CI-built targets per release; handhelds via the buildbot.

release.yml

RetroAchievements

Memory maps and achievement support, asserted in CI.

test_memory_map.c · test_rcheevos_e2e.sh

Run-ahead, rewind, netplay-grade determinism

A harness replays RetroArch's rollback loop and demands byte-identical state.

PR #327 · test_runahead_determinism.c

Frontend features for free

CRT shaders, remapping, fast-forward, per-game overrides. RetroArch does the rest.

libretro.c

Documented where you'd expect

In the official libretro docs. No BIOS files needed.

docs.libretro.com · core options · README: BIOS

Savestates that never expire

Every format any released core wrote still loads — exactly, not best-effort.

savestate-compat.md · v3.1.0 notes

The peripherals too

Jaguar CD (HLE and real BIOS), JagLink, GameDrive, Memory Track.

front page · compatibility data

Hardware-referenced accuracy

Checked against the Jaguar Technical Reference Manual; an acid suite gates CI.

test/acid · v3.0.0 notes

Fully open source

GPLv3. Every fix links to its PR and its test.

license · source

One comparative claim

We know of no other Jaguar emulator with a true-color mode (merged, in nightlies) or in-core hi-res track (in design); if we're wrong, tell us in Discussions and this page gets corrected.

Found something broken?

Discussions for reports, Issues for confirmed bugs. Attach your frontend log — the crash watchdog writes the failure signature into it.