"A *Brief* History of..." Though I was more interested in their startup from Atari, Inc., 2600 VCS days, then into the 8-bit home computer video-game market, until they later became a video-game publisher, pre-internet boom, IIRC... And yes, Activision made many of the very best, most high quality video-games you could buy and play at home at the time, with the two aforementioned _River Raid_ and _Pitfall!_ being instant "classics" when released, which Time has likewise borne out. They made and published those games themselves, ya know hehehe
