Things have changed. Co-Op is now a big deal in the world of games, and, as ever, there is an exact moment at which a well-informed observer such as myself can point and say “this, this is where the trend started.” Imagine there’s a timeline projected on the wall, and I’m probably wearing a suit, and with a laser pointer I confidently direct your attention to Halo: Combat Evolved, way back in 2001.
That’s right, before Halo there was literally no such thing as Co-Operative campaign mode.
Okay, fine, so that’s not strictly true. Or true in any sense. But Halo arguably marks the start of Co-Op gaming moving into the mainstream so that today, as we stand here in 2009, you literally can’t walk over a pile of games without tripping over one that has a Co-Operative mode. There were great games with Co-Op campaigns way before Halo of course, classics like Perfect Dark and System Shock 2 offered it years earlier. → Sly 3: Honor Among Reads

