diff --git a/.editorconfig b/.editorconfig
index 8385d43..3b05936 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -3,27 +3,35 @@
 root = true
 
 [*]
+charset = utf-8
 indent_style = space
 end_of_line = lf
-charset = utf-8
+
+[*.{json,jsonc,asmdef}]
+indent_size = 2
+trim_trailing_whitespace = true
+
+[*.{yml,yaml,sh,puml,md}]
+indent_size = 2
 trim_trailing_whitespace = true
 insert_final_newline = true
 
-[*.{json,jsonc,yml,yaml,sh,puml,md}]
-indent_size = 2
-
 [*.cs]
 indent_size = 4
-
-[*.{asset,meta,unity,scenetemplate}]
-trim_trailing_whitespace = unset
-insert_final_newline = unset
+trim_trailing_whitespace = true
+insert_final_newline = true
 
 [*.sln]
 indent_style = tab
 
-[*.{pbxproj,plist,entitlements,xcsettings}]
-indent_style = tab
+[*.{csproj,vbproj,vcxproj,vcxproj.filters,proj,nativeproj,locproj}]
+indent_size = 2
 
-[*.gantt]
-insert_final_newline = unset
+[*.builds]
+indent_size = 2
+
+[*.{xml,stylecop,resx,ruleset}]
+indent_size = 2
+
+[*.{props,targets,config,nuspec}]
+indent_size = 2
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3cc8eab..f801ede 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,3 +19,54 @@ jobs:
       - uses: "actions/checkout@v4.2.2"
       - uses: "editorconfig-checker/action-editorconfig-checker@main"
       - run: "editorconfig-checker"
+
+  test:
+    permissions:
+      checks: "write"
+    runs-on: "ubuntu-latest"
+    steps:
+      - uses: "actions/checkout@v4.2.2"
+        with:
+          lfs: true
+
+      - uses: "actions/cache@v4.2.0"
+        with:
+          path: "Library"
+          key: "Library-${{ hashFiles('Assets/**', 'Packages/**', 'ProjectSettings/**') }}"
+          restore-keys: |
+            "Library-"
+
+      - uses: "game-ci/unity-test-runner@v4.3.1"
+        env:
+          UNITY_LICENSE: ${{ secrets.UNITY_LICENSE }}
+          UNITY_EMAIL: ${{ secrets.UNITY_EMAIL }}
+          UNITY_PASSWORD: ${{ secrets.UNITY_PASSWORD }}
+        with:
+          githubToken: ${{ secrets.GITHUB_TOKEN }}
+
+  build:
+    runs-on: "ubuntu-latest"
+    steps:
+      - uses: "actions/checkout@v4.2.2"
+        with:
+          lfs: true
+
+      - uses: "actions/cache@v4.2.0"
+        with:
+          path: "Library"
+          key: "Library-${{ hashFiles('Assets/**', 'Packages/**', 'ProjectSettings/**') }}"
+          restore-keys: |
+            "Library-"
+
+      - uses: "game-ci/unity-builder@v4.3.0"
+        env:
+          UNITY_LICENSE: ${{ secrets.UNITY_LICENSE }}
+          UNITY_EMAIL: ${{ secrets.UNITY_EMAIL }}
+          UNITY_PASSWORD: ${{ secrets.UNITY_PASSWORD }}
+        with:
+          targetPlatform: "StandaloneLinux64"
+
+      # - uses: "actions/upload-artifact@v4.4.3"
+      #   with:
+      #     name: "Build"
+      #     path: "build"
diff --git a/.gitignore b/.gitignore
index baaf9c3..6abdd9a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -72,3 +72,7 @@ crashlytics-build.properties
 # Temporary auto-generated Android Assets
 /[Aa]ssets/[Ss]treamingAssets/aa.meta
 /[Aa]ssets/[Ss]treamingAssets/aa/*
+
+# Ignore temporaries from GameCI
+/[Aa]rtifacts/
+/[Cc]odeCoverage/
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
index 91f7f8f..0595817 100644
--- a/.vscode/extensions.json
+++ b/.vscode/extensions.json
@@ -1,3 +1,9 @@
 {
-  "recommendations": ["visualstudiotoolsforunity.vstuc"]
+  "recommendations": [
+    "editorconfig.editorconfig",
+    "jebbs.plantuml",
+    "visualstudiotoolsforunity.vstuc",
+    "ms-dotnettools.csharp",
+    "ms-dotnettools.csdevkit"
+  ]
 }
diff --git a/.vscode/settings.json b/.vscode/settings.json
index fa1066c..5b65109 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,3 +1,10 @@
 {
-  "dotnet.defaultSolution": "GeometryDash.sln"
+  "editor.bracketPairColorization.enabled": true,
+  "editor.wordWrap": "on",
+  "[csharp]": {
+    "editor.tabSize": 4,
+    "editor.formatOnSave": true,
+    "editor.formatOnType": true
+  },
+  "omnisharp.useModernNet": false
 }