aliens colonial marines ps2

looking for a rare ps2 game that got cancelled. ( aliens colonial marines ). this ps2 game came out but suddenly got cancelled. ive seen this game on youtube, and gamestop used to sell it long ago. any info on how to get this game. please help. been looking for a long time.:banghead:

 

That ... makes no sense

 

Any FPS Aliens has my interest. Maybe it was never released and slotted for newer consoles? I would love to get a PS2 version.

http://en.wikipedia.org/wiki/Aliens:_Colonial_Marines#Development
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This: http://en.wikipedia.org/wiki/List_of_Alien_and_Predator_games#Future_titles