User blog comment:Heatedpete/Going Back to Karkand 4 - pack design/@comment-94.22.60.84-20111113004917/@comment-28584497-20111113023635

You can't just go back and redo an entire map without major updates, both client and server-side -- let alone 9 maps (and 5 gamemodes each) That'd be a really long-term project.