Space Cadet engine-only browser preview

Original engine: Andrey Muzychenko / k4zmu2a, MIT (engine-MIT.txt).
Emscripten port: alula, pinned commit 0bc12d3ca97a30a61e1e325cfde1eeec379bb9b9.
Browser integration: Socialure, 2026, MIT (Socialure-MIT.txt).

Dear ImGui v1.85 WIP: Omar Cornut and contributors, MIT (imgui.txt).
ImGui SDL renderer: Tyyppi77, MIT (imgui-sdl.txt).
Embedded ProggyClean font: Tristan Grimmer, MIT (proggy.txt).
Embedded stb components: Sean Barrett and contributors, MIT/public domain;
full notices retained in source imstb_*.h (stb-notices.txt).
SDL 2.32.10 and SDL_mixer 2.8.0: zlib license (SDL2.txt, SDL2_mixer.txt).
SDL_mixer compiled with optional codec formats empty: WAV effects only.
Emscripten 6.0.2 runtime: MIT / NCSA (emscripten.txt).
musl libc: permissive licenses (musl.txt).
LLVM libc++, libc++abi, compiler-rt: Apache 2 with LLVM exceptions and legacy
notices (libcxx.txt, libcxxabi.txt, compiler-rt.txt).

NO original table resources, music, sound effects, table font, artwork,
splash bitmap, Windows icon or soundfont samples are distributed here.
Resource redistribution rights are NOT established. Local user selection
is a technical loading mechanism, not a license or permission grant.
No affiliation with or endorsement by the original game rights holders.