The official site link is dead, the people over at flashpoint did save the game.
Flashpoint Infinity 9.0 is probably what the people looking for this game wants to install. As not everyone wants to download 500GB+ for one game
https://bluemaxima.org/flashpoint/downloads/
https://www.legendsworld.net/shooter/game/12525
https://bluemaxima.org/flashpoint/datah ... List#Unity