diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..a55501f
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,44 @@
+#!/bin/sh
+
+RELEASEDIR=release
+BUILDDIR=build
+ZIPFILE=$(hg id -b)-$(hg id -n).zip
+
+PLUGINFILES=cstrike
+DOCS=docs
+PLUGINFILE=zombiereloaded.smx
+PLUGINDIR=cstrike/addons/sourcemod/plugins
+
+# Clean release directory if specified and exit.
+if [ "$1" = "clean" ]
+then
+    rm -r $RELEASEDIR
+    echo "Cleaned release directory."
+    exit 0
+fi
+
+# Make release directory.
+mkdir -p $RELEASEDIR
+
+# Check if the plugin is built.
+if [ ! -e $BUILDDIR/$PLUGINFILE ]
+then
+    echo "Cannot build release package, plugin is not built. Missing file '$BUILDDIR/$PLUGINFILE'."
+    exit 1
+fi
+
+# Copy files.
+echo "Copying files..."
+cp -r "$PLUGINFILES" "$RELEASEDIR"
+cp -r "$DOCS" "$RELEASEDIR"
+
+mkdir -p $RELEASEDIR/$PLUGINDIR
+cp -r $BUILDDIR/$PLUGINFILE $RELEASEDIR/$PLUGINDIR/$PLUGINFILE
+cp -r license.txt $RELEASEDIR/$DOCS/license.txt
+
+# Make release package.
+echo "Compressing files..."
+cd $RELEASEDIR
+zip -r $ZIPFILE *
+
+echo "Release package available at $RELEASEDIR/$ZIPFILE."