diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
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+++ b/.github/workflows/ci.yml
@@ -0,0 +1,78 @@
+name: Compile
+
+on: [push, pull_request, workflow_dispatch]
+
+jobs:
+  compile:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        sm-version: [ '1.10', '1.11', '1.12' ]
+
+    name: "Build SM ${{ matrix.sm-version }}"
+    steps:
+      - name: Prepare env
+        shell: bash
+        run: echo "GITHUB_SHA_SHORT=${GITHUB_SHA::7}" >> $GITHUB_ENV
+
+      - uses: actions/checkout@v3
+
+      - name: Setup SP
+        uses: rumblefrog/setup-sp@master
+        with:
+          version: ${{ matrix.sm-version }}
+
+      - name: Download and extract dependencies
+        shell: bash
+        run: |
+          # Mac zip just because it's smaller & we don't repack the extensions...
+          wget https://github.com/ErikMinekus/sm-ripext/releases/download/1.3.1/sm-ripext-1.3.1-mac.zip
+          unzip sm-ripext-1.3.1-mac.zip "addons/sourcemod/scripting/include/*"
+          wget https://github.com/clugg/sm-json/archive/refs/tags/v4.1.1.tar.gz
+          tar --strip-components=1 -xvzf v4.1.1.tar.gz sm-json-4.1.1/addons/sourcemod/scripting/include
+          wget https://github.com/hermansimensen/eventqueue-fix/archive/refs/tags/1.3.1.tar.gz
+          tar --strip-components=1 -xvzf 1.3.1.tar.gz -C addons/sourcemod
+          rm -rf *.zip *.tar.gz addons/sourcemod/.git* addons/sourcemod/LICENSE
+
+      - name: Run compiler
+        shell: bash
+        run: |
+          cd addons/sourcemod
+          mkdir plugins
+          for src in $(find scripting -maxdepth 1 -type f -name "*.sp");
+          do
+            spcomp $src -o=plugins/$(basename $src .sp)'.smx' -i=scripting/include -v2
+          done
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: bhoptimer-${{ github.head_ref || github.ref_name }}-sm${{ matrix.sm-version }}-${{ env.GITHUB_SHA_SHORT }}
+          path: |
+            addons
+            materials
+            sound
+            CHANGELOG.md
+            LICENSE
+            README.md
+          retention-days: 14
+
+  release:
+    name: Release
+    if: github.ref_type == 'tag'
+    needs: compile
+    runs-on: ubuntu-latest
+    steps:
+      - name: Download artifacts
+        uses: actions/download-artifact@v3
+
+      - name: Archive artifacts
+        shell: bash
+        run: find * -maxdepth 0 -type d -exec zip -rq {}.zip {} \;
+          
+      - uses: ncipollo/release-action@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          draft: true
+          name: ${{ github.ref_name }}
+          artifacts: "*.zip"
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