The radio signals received by the "Poke646" science department are unsettling, but nonetheless clear without ambiguity: 13 months after the incidents at the Black Mesa Research Facility, the aliens are coming back... and this time the fate of an entire city is at stake. The release of the "Poke646: Anniversary Edition" on Dec 21st 2016 marks the 15th anniversary of the original "Poke646" release and the 10th anniversary of the "Poke646: Vendetta" sequel release.