Complex sentence: As of September 8th 2006, the Super Fighter Team release of this game (600 copies) had completely sold out, until on October 18th 2006, when Super Fighter Team announced they had begun taking pre-orders on a second production run (300 copies).
Split into simpler sentences: As of September 8th 2006, the Super Fighter Team release of this game (600 copies) had completely sold out. However, on October 18th 2006, Super Fighter Team announced they had begun taking pre-orders for a second production run (300 copies).