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v0.4.0 - Knuckles & Knuckles (Windows + Linux)

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@mstan mstan released this 27 Sep 20:32
v0.4.0
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Sonic 3 family v0.4.0 — Knuckles & Knuckles

Windows x64 ZIPs and Linux x86_64 AppImages for all three variants:

Game Package prefix Owner ROM
Sonic 3 Sonic3Recomp sonic3.bin (2 MB)
Sonic 3 & Knuckles Sonic3KRecomp sonic3k.bin (4 MB combined lock-on)
Sonic & Knuckles SonicAndKnucklesRecomp sandk.bin (2 MB)

Bring your own matching ROM. No ROM is included.

Changes

  • Optional Knuckles & Knuckles mod in the combined game and S&K: 8, 16,
    24 or 34 extra Knuckles follow the player. Controllers 2–4 can drive the
    corresponding extras. Local play only; the mod is off by default.
  • S3K gets a still Knuckles portrait with complete fists, KNUCKLES 3 and
    Knuckles The Echidna, plus the crowd parade. Title art is decoded from
    your ROM at runtime. S&K gets its Knuckles & Knuckles title treatment.
  • Empty S3K save files and No Save initially select Knuckles while the mod is
    enabled. Existing saves retain their character; empty selections can still
    be changed before starting.
  • Includes the current adaptive widescreen renderer and launcher settings.
    Enable widescreen through Mods > Widescreen, choosing Adaptive to fit
    the window. The Knuckles mod is under Mods > Knuckles & Knuckles.
  • Repeatable production packaging for both platforms, with bundled runtime
    dependencies, launcher assets, license notices and source/pin metadata.

Running and upgrading

Extract the whole Windows ZIP and run its EXE. On Linux, put the AppImage in a
writable folder, make it executable (chmod +x), and launch it. Add
--appimage-extract-and-run if FUSE is unavailable. Use the launcher ROM picker
or place the matching raw cartridge beside the application.

Preserve your settings.ini, rom-*.cfg, *-mods.ini and *.srm files when
upgrading. Keep the Windows assets/ folder beside the EXE. Linux refreshes
its bundled assets beside the AppImage without replacing your settings/saves.

Validation and limits

The title, caption and complete still fist passed owner review. Production
builds pass 21/21 CTests on each platform. The packages pass 18 scenarios per
platform covering launchers, native/wide titles, empty and existing saves,
Knuckles level entry, and 3600-frame attract runs. Captured gameplay pixels,
RAM/VRAM, and attract state/audio hashes match between Windows and Linux.
Windows DLL dependencies and Linux state/ROM discovery/relocation checks pass.
This is not a claim of a complete campaign playthrough.

The Knuckles crowd is for story zones; special/bonus/competition stages and
demos keep stock behavior. Some objects react only to the original players;
monitors break only for Player 1. Netplay is unavailable while this mod is on.
See the source's docs/KNUCKLES_ARMY.md for implementation limits.

Linux targets Ubuntu 24.04 (glibc 2.39) or compatible x86_64 systems with OpenGL.
Older distributions and Steam Deck remain unvalidated. SHA256SUMS.txt covers
all six packages. See the packaged README and licenses for usage and notices.

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