PS2 software KILLZONE, Game

Killzone (Greatest Hits) - (PS2) PlayStation 2 [Pre-Owned] – J&L Video Games New York City

Mavin Killzone. PS2 Game. PlayStation 2. Greatest Hits. Video Game. Tested Working

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Is there anything exclusive to either the PS2 version of Killzone 1 or the PS3 version? Like, I know, graphics are better and it's on a different console, but is there any