diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index b11d28e3..895c35f8 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -152,11 +152,11 @@ jobs:
         if: ${{ steps.meta.outputs.kind == 'npm-cli' }}
         uses: dtolnay/rust-toolchain@stable
         with:
-          targets: aarch64-apple-darwin,x86_64-apple-darwin
+          targets: aarch64-apple-darwin,x86_64-apple-darwin,x86_64-unknown-linux-gnu,x86_64-pc-windows-gnu
 
       - name: Install native build dependencies
         if: ${{ steps.meta.outputs.kind == 'npm-cli' }}
-        run: brew install pkg-config x264
+        run: brew install pkg-config x264 mingw-w64
 
       - name: Install root dependencies
         run: npm ci
@@ -265,7 +265,7 @@ jobs:
 
       # ---------- Build (kind-specific) ----------
 
-      - name: Build root simdeck (macOS arm64+x64 binaries + client + simdeck-test)
+      - name: Build root simdeck (macOS + Linux + Windows native artifacts + client + simdeck-test)
         if: ${{ steps.meta.outputs.kind == 'npm-cli' }}
         run: |
           SIMDECK_BUILD_TARGET=aarch64-apple-darwin npm run build:cli
@@ -279,20 +279,31 @@ jobs:
             build/simdeck-bin-darwin-arm64 \
             build/simdeck-bin-darwin-x64
 
+          SIMDECK_DISABLE_X264=1 SIMDECK_BUILD_TARGET=x86_64-unknown-linux-gnu npm run build:cli
+          cp build/simdeck-bin build/simdeck-bin-linux-x64
+
+          SIMDECK_DISABLE_X264=1 SIMDECK_BUILD_TARGET=x86_64-pc-windows-gnu npm run build:cli
+          cp build/simdeck-bin.exe build/simdeck-bin-win32-x64.exe
+
           npm run build:client
           npm run build:simdeck-test
 
-      - name: Verify CLI artifacts are macOS arm64+x64 binaries
+      - name: Verify CLI artifacts are published for all supported hosts
         if: ${{ steps.meta.outputs.kind == 'npm-cli' }}
         run: |
           test -x build/simdeck-bin
           test -x build/simdeck-bin-darwin-arm64
           test -x build/simdeck-bin-darwin-x64
+          test -x build/simdeck-bin-linux-x64
+          test -x build/simdeck-bin-win32-x64.exe
+
           file build/simdeck-bin
           file build/simdeck-bin | grep -q 'arm64'
           file build/simdeck-bin | grep -q 'x86_64'
           file build/simdeck-bin-darwin-arm64 | grep -q 'arm64'
           file build/simdeck-bin-darwin-x64 | grep -q 'x86_64'
+          file build/simdeck-bin-linux-x64 | grep -q 'ELF'
+          file build/simdeck-bin-win32-x64.exe | grep -Eq 'PE32|PE32\+'
 
       # ---------- Apple codesign + notarize (root simdeck only) ----------
 
diff --git a/package.json b/package.json
index 93affbf5..d7f0eef8 100644
--- a/package.json
+++ b/package.json
@@ -19,6 +19,7 @@
     "scripts/studio-provider-bridge.mjs",
     "scripts/postinstall.mjs",
     "build/simdeck-bin",
+    "build/simdeck-bin.exe",
     "build/camera/",
     "build/simdeck-bin-darwin-arm64",
     "build/simdeck-bin-darwin-x64",
diff --git a/packages/cli/bin/simdeck.mjs b/packages/cli/bin/simdeck.mjs
index 5ad856fa..aab6fa2e 100755
--- a/packages/cli/bin/simdeck.mjs
+++ b/packages/cli/bin/simdeck.mjs
@@ -29,8 +29,21 @@ if (!existsSync(binaryPath)) {
 
 function findPackageRoot(startDir) {
   let current = path.resolve(startDir);
+  const buildMarkers = [
+    "simdeck-bin",
+    "simdeck-bin.exe",
+    "simdeck-bin-darwin-arm64",
+    "simdeck-bin-darwin-x64",
+    "simdeck-bin-linux-arm64",
+    "simdeck-bin-linux-x64",
+    "simdeck-bin-win32-x64.exe",
+  ];
+
   while (true) {
-    if (existsSync(path.join(current, "build", "simdeck-bin"))) {
+    if (
+      existsSync(path.join(current, "package.json")) ||
+      buildMarkers.some((marker) => existsSync(path.join(current, "build", marker)))
+    ) {
       return current;
     }
     const parent = path.dirname(current);
@@ -57,18 +70,21 @@ function resolveBinaryPath(rootDir) {
     return null;
   }
 
-  const platformBinaryPath = path.join(rootDir, "build", binary);
-  if (existsSync(platformBinaryPath)) {
-    return platformBinaryPath;
-  }
-
-  for (const fallback of ["simdeck-bin.exe", "simdeck-bin"]) {
-    const fallbackBinaryPath = path.join(rootDir, "build", fallback);
-    if (existsSync(fallbackBinaryPath)) {
-      return fallbackBinaryPath;
+  const candidateNames = [
+    binary,
+    "simdeck-bin.exe",
+    "simdeck-bin",
+    ...Object.values(binaryByHost),
+  ];
+
+  for (const candidate of candidateNames) {
+    const candidatePath = path.join(rootDir, "build", candidate);
+    if (existsSync(candidatePath)) {
+      return candidatePath;
     }
   }
-  return platformBinaryPath;
+
+  return path.join(rootDir, "build", binary);
 }
 
 let child;
diff --git a/scripts/github-actions.test.mjs b/scripts/github-actions.test.mjs
index fe10f1d7..8bd6c1c8 100644
--- a/scripts/github-actions.test.mjs
+++ b/scripts/github-actions.test.mjs
@@ -25,6 +25,10 @@ const ciWorkflow = readFileSync(
   new URL("../.github/workflows/ci.yml", import.meta.url),
   "utf8",
 );
+const releaseWorkflow = readFileSync(
+  new URL("../.github/workflows/release.yml", import.meta.url),
+  "utf8",
+);
 const packageJson = JSON.parse(
   readFileSync(new URL("../package.json", import.meta.url), "utf8"),
 );
@@ -65,6 +69,14 @@ test("npm CLI wrapper resolves Windows x64 native binary", () => {
   assert.match(cliWrapper, /simdeck-bin-win32-x64\.exe/);
 });
 
+test("release workflow builds all supported native CLI artifacts", () => {
+  assert.match(releaseWorkflow, /x86_64-pc-windows-gnu/);
+  assert.match(releaseWorkflow, /simdeck-bin-win32-x64\.exe/);
+  assert.match(releaseWorkflow, /x86_64-unknown-linux-gnu/);
+  assert.match(releaseWorkflow, /simdeck-bin-linux-x64/);
+  assert.match(releaseWorkflow, /mingw-w64/);
+});
+
 test("CI runs Android emulator integration on Linux and Windows", () => {
   assert.match(ciWorkflow, /integration-android:/);
   assert.match(ciWorkflow, /os:\s*\[\s*ubuntu-latest,\s*windows-latest\s*\]/);