diff --git a/.github/workflows/gameci.yml b/.github/workflows/gameci.yml
index dc015de..54a4a3a 100644
--- a/.github/workflows/gameci.yml
+++ b/.github/workflows/gameci.yml
@@ -46,10 +46,12 @@ jobs:
       matrix:
         #unity_version: [ auto, 2022.3.5f1 ]
         unity_version: [ auto ]
+        sdk: [ vrcsdk, standalone ]
     runs-on: ubuntu-latest
     permissions:
       checks: write
       contents: read
+    if: ${{ matrix.unity_version == 'auto' || matrix.sdk != 'vrcsdk' }}
     steps:
       - uses: actions/checkout@v3
         with:
@@ -62,6 +64,7 @@ jobs:
           mv 'Packages/nadena.dev.ndmf/UnitTests~' 'Packages/nadena.dev.ndmf/UnitTests'
 
       - uses: anatawa12/sh-actions/resolve-vpm-packages@master
+        if: ${{ matrix.sdk == 'vrcsdk' }}
 
       - run: |
           ls -lR
@@ -71,12 +74,12 @@ jobs:
       - uses: actions/cache@v3
         with:
           path: Library
-          key: Library-${{ matrix.unity_version }}
+          key: Library-${{ matrix.unity_version }}-${{ matrix.sdk }}
           restore-keys: Library-
 
       - uses: game-ci/unity-test-runner@v3
         id: gameci
-        continue-on-error: ${{ matrix.unity_version != 'auto' }}
+        continue-on-error: true
         env:
           # meh, just a personal license...
           UNITY_LICENSE: ${{ secrets.UNITY_LICENSE }}
@@ -87,6 +90,29 @@ jobs:
           coverageOptions: generateAdditionalMetrics;generateHtmlReport;generateBadgeReport;assemblyFilters:+nadena.dev.*
           customParameters: -nographics -assemblyNames nadena.dev.ndmf.UnitTests
 
+      # For our main "supported" platforms, we report the conclusion of gameci as-is. However, for standalone, we report
+      # neutral if it failed.
+      - id: determine_conclusion
+        env:
+          unity_version: ${{ matrix.unity_version }}
+          sdk_platform: ${{ matrix.sdk }}
+          gameci_outcome: ${{ steps.gameci.outcome }}
+        run: |
+          outcome=$gameci_conclusion
+          if [ "$gameci_conclusion" == "failure" ]; then
+            if [ "$unity_version" != auto ] || [ $sdk_platform != vrcsdk ]; then
+              outcome=neutral
+            fi
+          fi
+          echo ::set-output name=matrix_outcome::$outcome
+
+      - uses: LouisBrunner/checks-action@v1.6.1
+        if: ${{ github.event_name == 'pull_request_target' }}
+        with:
+          github_token: ${{ github.token }}
+          name: "GameCI: Unity ${{ matrix.unity_version }} / platform ${{ matrix.sdk }}"
+          conclusion: ${{ steps.determine_conclusion.outputs.matrix_outcome }}
+
       - uses: actions/upload-artifact@v3
         if: always()
         with:
@@ -97,4 +123,8 @@ jobs:
         if: always()
         with:
           name: Coverage results
-          path: ${{ steps.gameci.outputs.coveragePath }}
\ No newline at end of file
+          path: ${{ steps.gameci.outputs.coveragePath }}
+      
+      - id: fail-on-failure
+        if: ${{ steps.determine_conclusion.outputs.matrix_outcome == 'failure' }}
+        run: exit 1
\ No newline at end of file