diff --git a/build.py b/build.py
index 741c29f..9e1c140 100644
--- a/build.py
+++ b/build.py
@@ -2,7 +2,7 @@
 
 import urllib.request
 from lxml import etree
-import tempfile, os, sys, subprocess, shutil
+import tempfile, os, sys, glob, subprocess, shutil
 
 class Build(object):
     LANGSTD = [ 'ar', 'de', 'en-GB', 'es', 'fr', 'it', 'ja', 'ko', 'pt', 'pt-BR', 'ru', 'zh-CN', 'zh-TW' ]
@@ -55,63 +55,96 @@ class Build(object):
         # * all languages, no help
         # * all languages + offline help
 
-        # Let's start with the quickest build: standard languages, no help.
+        # Preparation tasks
+        appnamedir = os.path.join(self.__builddir__, self.__appname__)
+        appimagedir = os.path.join(self.__builddir__, self.__appname__, self.__appname__ + '.AppDir')
+        os.makedirs(appimagedir, exist_ok = True)
+        # And then cd to the appname folder.
+        os.chdir(appnamedir)
+        # Download appimagetool from github
+        appimagetoolurl = "https://github.com/AppImage/AppImageKit/releases/download/continuous/appimagetool-{arch}.AppImage".format(arch = self.__arch__)
+        urllib.request.urlretrieve(appimagetoolurl, 'appimagetool')
+        os.chmod('appimagetool', 0o755)
+
+        # Run to build standard no help
+        self.__unpackbuild__('standard', False)
+
+        # Run to build standard full help
+        self.__unpackbuild__('standard', True)
+
+        # Build full no help
+        self.__unpackbuild__('full', False)
+
+        # Full with help
+        self.__unpackbuild__('full', True)
+
+    def __unpackbuild__(self, languageset = 'full', offlinehelp = False):
         # We start by filtering out tarballs from the list
         buildtarballs = [ self.__tarballs__[0] ] 
 
         # Let's process standard languages and append results to the
         # buildtarball
-        for lang in Build.LANGSTD:
-            buildtarballs.extend([ x for x in self.__tarballs__ if ('langpack_' + lang) in x ])
-            # If it was a build with offline help, another extend would have
-            # solved it:
-            #buildtarballs.extend([ x for x in self.__tarballs__ if ('helppack_'+ lang) in x ])
-
-        # Creating a subfolder
-        os.makedirs(os.path.join(self.__builddir__, self.__appname__, self.__appname__ + '.AppDir'), exist_ok = True)
-        # And then cd to the appname folder.
-        os.chdir(os.path.join(self.__builddir__, self.__appname__))
-
+        if languageset == 'standard':
+            for lang in Build.LANGSTD:
+                buildtarballs.extend([ x for x in self.__tarballs__ if ('langpack_' + lang) in x ])
+                if offlinehelp:
+                    buildtarballs.extend([ x for x in self.__tarballs__ if ('helppack_' + lang) in x ])
+        else:
+            # In any other cases, we build with all languages
+            if not offlinehelp:
+                buildtarballs.extend([ x for x in self.__tarballs__ if 'langpack_' in x ])
+            else:
+                # We need also all help. Let's replace buildtarball with the
+                # whole bunch
+                buildtarballs = self.__tarballs__
+                
         # Unpacking the tarballs
         for archive in buildtarballs:
             subprocess.run("tar xzf ../%s" % archive, shell=True)
 
+        os.chdir(appimagedir)
         # At this point, let's decompress the deb packages
-        os.chdir(os.path.join(self.__builddir__, self.__appname__, self.__appname__ + '.AppDir'))
         subprocess.run("find .. -iname '*.deb' -exec dpkg -x {} . \;", shell=True)
         # Changing desktop file
         subprocess.run("find . -iname startcenter.desktop -exec cp {} . \;", shell=True)
-        #subprocess.run("sed -i -e 's|Name=.*|Name=%s|g' startcenter.desktop" % self.__appname__, shell=True)
 
-        binaryname = subprocess.check_output("awk 'BEGIN { FS = \"=\" } /^Exec/ { print $2; exit }' startcenter.desktop | awk '{ print $1 }'", shell=True).decode('utf-8').strip('\n')
         subprocess.run("find . -name '*startcenter.png' -path '*hicolor*48x48*' -exec cp {} . \;", shell=True)
 
-        os.makedirs(os.path.join(self.__builddir__, self.__appname__, self.__appname__ + '.AppDir', 'usr', 'bin'), exist_ok = True)
-        os.chdir(os.path.join(self.__builddir__, self.__appname__, self.__appname__ + '.AppDir', 'usr', 'bin'))
+        # Find the name of the binary called in the desktop file.
+        binaryname = subprocess.check_output("awk 'BEGIN { FS = \"=\" } /^Exec/ { print $2; exit }' startcenter.desktop | awk '{ print $1 }'", shell=True).decode('utf-8').strip('\n')
+
+        bindir=os.path.join(self.__builddir__, self.__appname__, self.__appname__ + '.AppDir', 'usr', 'bin')
+        os.makedirs(bindir, exist_ok = True)
+        os.chdir(bindir)
         subprocess.run("find ../../opt -name soffice -path '*programm*' -exec ln -s {} %s \;" % binaryname, shell=True)
-        os.chdir(os.path.join(self.__builddir__, self.__appname__, self.__appname__ + '.AppDir'))
+        os.chdir(appimagedir)
 
         # Download AppRun from github
         apprunurl = "https://github.com/AppImage/AppImageKit/releases/download/continuous/AppRun-{arch}".format(arch = self.__arch__)
         urllib.request.urlretrieve(apprunurl, 'AppRun')
         os.chmod('AppRun', 0o755)
-
-        os.chdir(os.path.join(self.__builddir__, self.__appname__))
-        # Download appimagetool from github
-        appimagetoolurl = "https://github.com/AppImage/AppImageKit/releases/download/continuous/appimagetool-{arch}.AppImage".format(arch = self.__arch__)
-        urllib.request.urlretrieve(appimagetoolurl, 'appimagetool')
-        os.chmod('appimagetool', 0o755)
         
         # Setting app version
-        appversion = self.__version__ + '.standard'
+        appversion = self.__version__ + '.' + languageset
+        if offlinehelp:
+            appversion += '.help'
+
         # Building app
         subprocess.run("VERSION={version} ./appimagetool -v ./{appname}.AppDir/".format(version = appversion, appname = self.__appname__), shell=True)
 
         # Copying built image to final directory
         subprocess.run("find . -iname '*.AppImage' -exec cp {} %s \;" % outdir, shell = True)
-        os.chdir('/tmp')
+
+        # Cleanup phase, before new run.
+        os.chdir(appnamedir)
+        for deb in glob.glob(appnamedir + '/*.deb'):
+            os.remove(deb)
+        shutil.rmtree(appimagedir)
+        os.makedirs(appimagedir)
+
 
     def __del__(self):
+        """Destructor"""
         #del self.__builddir__