A genre of game that took off with the release of Mario Party on the Nintendo 64. A party game is a minigame collection where two to four players compete against each other in a boardgame-like environment. The term is also used more loosely to describe games that are really fun to have at a party. This label doesn't have a strict definition, but multiplayer (obviously) and accessibility are two important criteria. Things like Rock Band and Mario Kart fall under this category. Either way, these are far more common on consoles than on PCs because during the SDTV era, few PCs were equipped to use four controllers and a large monitor.