Due to different manufacturers releasing consoles at different times, the wars described below are not exact definitions and do not necessarily have firm beginning and ending dates. Also, these wars had different years and combatants on different continents, since traditionally the four main markets—Europe, Japan, Australia and North America—have been treated as separate entities, with machines and games released at different times or even completely different games being released. This situation is not as apparent as it was in the past, but remains in some respects, particularly with regards to Japan when compared to the other three markets.
In the mid-1980s, home computers from various manufacturers were used primarily for gaming purposes by consumers worldwide (in the absence of comparable consoles following the video game crash) and are included here as well
32/64-bit era This section needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. (February 2011)
Main article: History of video game consoles (fifth generation)
In the "32-bit era," the Sega Saturn was released first and despite success in Japanese markets, it ultimately lacked in sufficient third party support. Sega's decision to use dual processors has been roundly criticized, and some believe the second CPU was added