diff --git a/.github/workflows/build_viewer.yml b/.github/workflows/build_viewer.yml
new file mode 100644
index 0000000000..dce5d85f28
--- /dev/null
+++ b/.github/workflows/build_viewer.yml
@@ -0,0 +1,77 @@
+name: Build viewer
+on: push
+env:
+  AUTOBUILD_VARIABLES_FILE: ${{github.workspace}}/build-variables/variables
+  EXTRA_ARGS: -DFMODSTUDIO=Off -DUSE_KDU=Off
+jobs:
+  build_matrix:
+    strategy:
+      matrix:
+        os: [macos-11,ubuntu-18.04,windows-2022]
+        grid: [sl,os]
+        addrsize: [64,32]
+        exclude:
+          - os: ubuntu-18.04
+            addrsize: 32
+          - os: macos-11
+            addrsize: 32
+    runs-on: ${{ matrix.os }}
+    steps:
+        - name: Set OS flag
+          if: matrix.grid == 'os'
+          run: echo "FS_GRID=-DOPENSIM:BOOL=ON" >> $GITHUB_ENV
+          shell: bash
+
+        - name: Set SL flag
+          if: matrix.grid == 'sl'
+          run: echo "FS_GRID=-DOPENSIM:BOOL=OFF" >> $GITHUB_ENV
+          shell: bash
+          
+        - name: Get the code
+          uses: actions/checkout@v3
+          with:
+            fetch-depth: 1
+
+        - name: Checkout build var
+          uses: actions/checkout@v3
+          with:
+            repository: FirestormViewer/fs-build-variables
+            path: build-variables
+
+        - name: Install required Ubuntu packages
+          if: runner.os == 'Linux'
+          run: sudo apt-get install python3-setuptools mesa-common-dev libgl1-mesa-dev libxinerama-dev libxrandr-dev libpulse-dev libglu1-mesa-dev
+
+        - name: install autobuild
+          run: pip3 install git+https://github.com/Nicky-D/autobuild@main_nd
+
+        - name: Configure
+          run: autobuild configure -c ReleaseFS -A${{matrix.addrsize}} -- --package --chan ${{github.ref_name}} ${{env.EXTRA_ARGS}} ${{env.FS_GRID}}
+          shell: bash
+        
+        - name: build
+          run: autobuild build -c ReleaseFS -A${{matrix.addrsize}} --no-configure
+          shell: bash
+
+        - name: publish ${{ matrix.os }} artifacts
+          if: runner.os == 'Windows'
+          uses: actions/upload-artifact@v3
+          with:
+            name: ${{ matrix.os }}-${{matrix.addrsize}}-${{matrix.grid}}-artifacts.zip
+            path: |
+              build-vc150-*/newview/Release/*Setup.exe
+              build-vc150-*/newview/Release/*.xz
+
+        - name: publish ${{ matrix.os }} artifacts
+          if: runner.os == 'Linux'
+          uses: actions/upload-artifact@v3
+          with:
+            name: ${{ matrix.os }}-${{matrix.addrsize}}-${{matrix.grid}}-artifacts.zip
+            path: build-linux-*/newview/*.xz
+
+        - name: publish ${{ matrix.os }} artifacts
+          if: runner.os == 'macOS'
+          uses: actions/upload-artifact@v3
+          with:
+            name: ${{ matrix.os }}-${{matrix.addrsize}}-${{matrix.grid}}-artifacts.zip
+            path: build-darwin-*/newview/*.dmg