keeping his cool when Sora and Donald lose it. Goofy's loyalty was also tested when Riku wielded the Keyblade thus, following the king's orders, he followed Riku instead. As Riku was about to attack Sora, Goofy used his shield to protect Sora; thus disobeying the king. When Sora, Donald, and Goofy enter the realm known as Timeless River, Goofy states that the world looks familiar; a reference to his cartoons done in the early to mid-1930s. At many times in the Kingdom Hearts series, Goofy is shown to still be his clumsy self, however, in Kingdom Hearts II, he is very keen to details and has very accurate assumptions of certain things. For example, he was the first to figure out why Organization XIII was after the Beast, and he was the first to see through Fa Mulan's disguise and discovery that Mulan was actually a woman dressed as a male soldier. There were even several instances where Goofy seemed to have more common sense than Sora and Donald, even saying they should "look before we leap" when Sora and Donald saw Mushu's shadow resembling a dragon, that Sora had mistaken for a Heartless. Goofy reappears in the prequel, Kingdom Hearts: Birth by Sleep, in a relatively minor role, having accompanied Mickey (along with Donald) to Yen Sid's tower to watch Mickey's Mark of Mastery Exam. Upon realizing that Mickey has been abducted and taken to the Keyblade Graveyard by Master Xehanort in an attempt to lure Ventus out, Goofy and Donald prepare to venture out to rescue Mickey, but as they will obviously be no match for Master Xehanort, Ventus goes alone. Donald and Goofy later care for their King as he recuperates from his injuries. In other video games Goofy was the star of an early platformer, Matterhorn Screamer, for the Apple II and Commodore 64. Goofy appears as the owner (or perhaps simply the cashier) of the "Junk" store in Donald Duck's Playground, developed and published in the 1980s by Sierra On-Line for the Commodore 64, IBM PC, Apple II, Amiga, and Atari ST. Goofy also starred in Super NES action game Goof Troop alongside his son Max and in Goofy's Hysterical History Tour for the Sega Genesis where he is the head janitor and he must recover the missing pieces of some museum exhibits. Goofy appears briefly in Quackshot, a Genesis game that starred Donald Duck.