diff --git a/weekly/gnome-base.particle b/weekly/gnome-base.particle
new file mode 100644
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--- /dev/null
+++ b/weekly/gnome-base.particle
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+# Entropy Matter, Automated Entropy Packages Build Service, example spec file
+
+# List of packages required to be built.
+# Comma separated, example: app-foo/bar, bar-baz/foo
+# Mandatory, cannot be empty
+packages:
+	gnome-base/dconf,
+	gnome-base/gconf,
+	gnome-base/gdm,
+	gnome-base/gnome,
+	gnome-base/gnome-applets,
+	gnome-base/gnome-common,
+	gnome-base/gnome-control-center,
+	gnome-base/gnome-core-apps,
+	gnome-base/gnome-core-libs,
+	gnome-base/gnome-desktop,
+	gnome-base/gnome-desktop,
+	gnome-base/gnome-extra-apps,
+	gnome-base/gnome-fallback,
+	gnome-base/gnome-js-common,
+	gnome-base/gnome-keyring,
+	gnome-base/gnome-menus,
+	gnome-base/gnome-menus,
+	gnome-base/gnome-mime-data,
+	gnome-base/gnome-panel,
+	gnome-base/gnome-session,
+	gnome-base/gnome-settings-daemon,
+	gnome-base/gnome-shell,
+	gnome-base/gnome-vfs,
+	gnome-base/gsettings-desktop-schemas,
+	gnome-base/gvfs,
+	gnome-base/libbonobo,
+	gnome-base/libbonoboui,
+	gnome-base/libglade,
+	gnome-base/libgnome,
+	gnome-base/libgnome-keyring,
+	gnome-base/libgnomecanvas,
+	gnome-base/libgnomekbd,
+	gnome-base/libgnomeprint,
+	gnome-base/libgnomeprintui,
+	gnome-base/libgnomeui,
+	gnome-base/libgtop,
+	gnome-base/librsvg,
+	gnome-base/libslab,
+	gnome-base/nautilus,
+	gnome-base/orbit
+
+# Entropy repository where to commit packages
+# Mandatory, cannot be empty
+repository: sabayon-hell
+
+# Allow Source Package Manager (Portage) repository change?
+# Valid values are either "yes" or "no"
+# Default is: no
+spm-repository-change: no
+
+# Allow compiling package even if it's not actually installed on system?
+# Valid values are either "yes" or "no"
+# Default is: no
+not-installed: no
+
+# Allow dependencies to be pulled in?
+# Valid values are either "yes" or "no"
+# Default is: no
+dependencies: yes
+
+# Allow package downgrade?
+# Valid values are either "yes" or "no"
+# Default is: no
+downgrade: no
+
+# Allow package rebuild?
+# Valid values are either "yes" or "no"
+# Default is: no
+rebuild: no
+
+# Make possible to continue if one or more packages fail to build?
+# Valid values are either "yes" or "no"
+# Default is: no
+keep-going: yes
+
+# Allow new USE flags?
+# Valid values are either "yes" or "no"
+# Default is: no
+new-useflags: yes
+
+# Allow removed USE flags?
+# Valid values are either "yes" or "no"
+# Default is: no
+removed-useflags: yes
+
+# Package pre execution script hook
+# Valid value is path to executable file
+# Env vars:
+# BUILDER_PACKAGE_NAME       = name of the package that would be built
+# pkgpre: /home/fabio/repos/entropy/services/matter_examples/pkgpre.sh
+
+# Package build post execution script hook, executed for each package
+# Valid value is path to executable file
+# Env vars:
+# BUILDER_PACKAGE_NAME       = name of the package that would be built
+# pkgpost: /home/fabio/repos/entropy/services/matter_examples/pkgpost.sh
+
+# Env vars:
+# MATTER_PACKAGE_NAME       = name of the package that would be built. It does
+# not reflect the name of the failing package, because it could be just a
+# dependency of it.
+# MATTER_PORTAGE_FAILED_PACKAGE_NAME = exact name (atom, CPV) of the failing
+# package, the one that triggered the buildfail hook.
+# MATTER_PORTAGE_REPOSITORY = Portage repository from where the package
+# comes from
+# MATTER_PORTAGE_BUILD_LOG_DIR = directory containing all the build logs of
+# the failed package
+buildfail: /particles/hooks/buildfail.sh
+
+# For more info regarding exported environment variables, please see:
+# matter --help