diff --git a/Casks/unity-linux-support-for-editor.rb b/Casks/unity-linux-support-for-editor.rb
new file mode 100644
index 00000000000..d072d765119
--- /dev/null
+++ b/Casks/unity-linux-support-for-editor.rb
@@ -0,0 +1,14 @@
+cask 'unity-linux-support-for-editor' do
+  version '5.5.0f3,38b4efef76f0'
+  sha256 'fa76f2b509c825040a1466a3b9f2f7ae16eaea7124ad478a1b56d750d26e0cb5'
+
+  url "http://netstorage.unity3d.com/unity/#{version.after_comma}/MacEditorTargetInstaller/UnitySetup-Linux-Support-for-Editor-#{version.before_comma}.pkg"
+  name 'Unity Linux Build Support'
+  homepage 'https://unity3d.com/unity/'
+
+  depends_on cask: 'unity'
+
+  pkg "UnitySetup-Linux-Support-for-Editor-#{version.before_comma}.pkg"
+
+  uninstall pkgutil: 'com.unity3d.LinuxStandaloneSupport'
+end
diff --git a/Casks/unity-webgl-support-for-editor.rb b/Casks/unity-webgl-support-for-editor.rb
new file mode 100644
index 00000000000..c0864f37318
--- /dev/null
+++ b/Casks/unity-webgl-support-for-editor.rb
@@ -0,0 +1,14 @@
+cask 'unity-webgl-support-for-editor' do
+  version '5.5.0f3,38b4efef76f0'
+  sha256 '17532ebcf73d74dec9b1403e6649697dfd39aafac87806a601b70bf713a7a270'
+
+  url "http://netstorage.unity3d.com/unity/#{version.after_comma}/MacEditorTargetInstaller/UnitySetup-WebGL-Support-for-Editor-#{version.before_comma}.pkg"
+  name 'Unity WebGL Build Support'
+  homepage 'https://unity3d.com/unity/'
+
+  depends_on cask: 'unity'
+
+  pkg "UnitySetup-WebGL-Support-for-Editor-#{version.before_comma}.pkg"
+
+  uninstall pkgutil: 'com.unity3d.WebGLSupport'
+end
diff --git a/Casks/unity-windows-support-for-editor.rb b/Casks/unity-windows-support-for-editor.rb
new file mode 100644
index 00000000000..703d8670e0c
--- /dev/null
+++ b/Casks/unity-windows-support-for-editor.rb
@@ -0,0 +1,14 @@
+cask 'unity-windows-support-for-editor' do
+  version '5.5.0f3,38b4efef76f0'
+  sha256 'f36f92e0b32c36a63540f7a1b6c03ad4aa4f94c849a8c12ec891c5c4298534a4'
+
+  url "http://netstorage.unity3d.com/unity/#{version.after_comma}/MacEditorTargetInstaller/UnitySetup-Windows-Support-for-Editor-#{version.before_comma}.pkg"
+  name 'Unity Windows Build Support'
+  homepage 'https://unity3d.com/unity/'
+
+  depends_on cask: 'unity'
+
+  pkg "UnitySetup-Windows-Support-for-Editor-#{version.before_comma}.pkg"
+
+  uninstall pkgutil: 'com.unity3d.WindowsStandaloneSupport'
+end