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'''1 Key''' is the current evolution of the any% category which involves skipping [[Bowser in the Dark World]], the first Bowser level, by using a glitch that makes the key obtained from that fight unnecessary.
'''1 Key''' is the current evolution of the any% TAS category which involves skipping [[Bowser in the Dark World]], the first Bowser level, by entering the castle using a glitch termed moat door skip.
==Moat Door Skip==
==Moat Door Skip==
The central glitch, known as '''Moat Door Skip''' or '''MDS''' was discovered in mid-2015, and was revealed to the public when [https://www.youtube.com/channel/UCMmU0XaR0coor7dtJkEAh4A sonicpacker] uploaded a video showcasing it<ref>https://youtu.be/v5o_9XKmAfE</ref>. The strat involves using [[PU]] movement to navigate in front of the door under the moat with 0 stars, exploiting the facts that PUs have no water and that the door-opening action takes precedence over entering the water within the course of a frame.
The central glitch, known as '''Moat Door Skip''' or '''MDS''' was theorized by [https://www.youtube.com/channel/UClPjENu5gaTOaZ5_99AQL0g Tyler Kehne] in mid-2015 when it was discovered the source of PU's crashing on console was the camera, and simply locking the camera was enough to access PU's on console.<ref>[https://pastebin.com/uH5GhHbp "SM64 Moat Skip Description" by Tyler Kehne]</ref> MDS was revealed to the public when [https://www.youtube.com/channel/UCMmU0XaR0coor7dtJkEAh4A sonicpacker] uploaded a video showcasing it.<ref>[https://youtu.be/v5o_9XKmAfE "SM64 MOAT DOOR SKIP!! - Bypass 1st Bowser Fight" by sonicpacker]</ref> The technique involves using [[PU]] movement to navigate in front of the door under the moat with 0 stars, exploiting the facts that PUs have no water and that the door-opening action takes precedence over entering the water within the course of a frame. Most of the original TASing for the first MDS was done by sonicpacker, although Tyler Kehne TASed the actual PU movement.
==Reason for delay of full run==
==Reason for Delay of the Full Run==
The first ever TAS of 1 Key was released on September 29th, 2016 with a time of 4’21”67<ref>Original TAS: http://youtu.be/j5j6l9ULxmI</ref>. This came more than a year after the original reveal. This was due to the fact that getting QPU speed requires visiting [[Vanish Cap under the Moat]] to [[Backwards_Long_Jump#Elevator_BLJ|BLJ on an elevator]]. Visiting VCutM without draining the moat originally required 10 stars to get the [[Wing Cap]] for [[Hyperspeed Flying]], which was slower than just getting 8 stars, visiting the basement, and draining the moat normally. Therefore, it would be useless to do this trick. Later, however, a BLJ on the [[castle grounds]] was found that sufficed to enter VCutM.  
The first ever TAS of 1 Key was released on September 29th, 2016 with a time of 4’21”67,<ref>[http://youtu.be/j5j6l9ULxmI "N64 Super Mario 64 "1 Key" in 4:21.67" by sonicpacker]</ref> which came more than a year after the original reveal. This was due to the fact that getting QPU speed requires visiting [[Vanish Cap under the Moat]] to perform an [[Backwards_Long_Jump#Elevator_BLJ|elevator-BLJ]]. Visiting VCutM without draining the moat originally required 10 stars to get the [[wing cap]] for [[hyperspeed flying]], which was slower than just getting 8 stars, visiting the basement, and draining the moat normally (which made it slower to do this trick). Later, however, a BLJ on the [[castle grounds]] was found that sufficed to enter VCutM.  
==Current Record==
==Current Record==
The current record for the 1 Key TAS stands at 4’21”2, though 1 frame has since been saved in [[Bowser in the Fire Sea]]. Since this skip saves the time normally required for the first Bowser level, this TAS holds the world record for the fastest known completion of Super Mario 64.
The current record for the 1 Key TAS stands at 4’21”2, though 1 frame has since been saved in [[Bowser in the Fire Sea]]. Since this skip saves the time normally required for the first Bowser level, this TAS holds the world record for the fastest known completion of Super Mario 64.
==Notability of being performed on J Version==
==Notability of being performed on J Version==
Unlike all other categories such as [[120 Star]], [[70 Star]], [[50 Star]], [[31 Star]], [[16 Star]], [[1 Star]], and [[0 Star]], the 1 Key run is optimally performed on the [[Super Mario 64#Japanese|Japanese version]] of the game instead of the [[Super Mario 64#English|US version]]. This is because [[Peach]] does not narrate her dialogue in the Japanese version, saving time, but in-game text takes longer. Because the 1 Key run skips the [[Bowser in the Dark World]] text, the lack of narration is more significant than the longer text. Therefore, this run is ''not'' performed on the Japanese version because of version-exclusive glitches. It is performed on the Japanese version because the introduction is faster.
Unlike all other categories such as [[120 Star]], [[70 Star]], [[50 Star]], [[31 Star]], [[16 Star]], [[1 Star]], and [[0 Star]], the 1 Key run is optimally performed on the [[Super Mario 64#Japanese|Japanese version]] of the game instead of the [[Super Mario 64#English|US version]]. This is because [[Peach]] does not narrate her dialogue in the Japanese version, saving time, despite in-game text taking longer. Because the 1 Key run skips the [[Bowser in the Dark World]] text, the lack of narration is more significant than the longer text. Therefore, this run is ''not'' performed on the Japanese version because of version-exclusive glitches; it is performed on the Japanese version because the introduction is faster.
==Explanation/Commentary==
==Explanation/Commentary==
===Castle Grounds===
===Castle Grounds===
First, Mario performs a [[Backwards Long Jump#Slope BLJ|slope BLJ]] to gain speed in the castle grounds. Once Mario's [[intended next position]] is in the [[ceiling]] under the bridge, he continues BLJing, but it acts like a [[Backwards Long Jump#Low Ceiling BLJ|low ceiling BLJ]] instead. Since the height of a jump is proportional to Mario's speed, Mario's negative speed allows him to jump downward, past the grate, and into VCutM.
First, Mario performs a [[Backwards Long Jump#Slope BLJ|slope BLJ]] to gain speed in the castle grounds. Once Mario's [[intended next position]] is in the [[ceiling]] under the bridge, he continues BLJing, but it acts like a [[Backwards Long Jump#Low Ceiling BLJ|low ceiling BLJ]] instead. At this point, Mario has enough negative speed to [[negative jump]] past the grate into VCutM.
===VCutM===
===VCutM===
Mario quickly falls down to the elevators. He then sets the camera to [[Fixed Cam]] to avoid [[PU#Floating point truncation crash|a crash on console]]. Mario BLJs in order to get QPU speed (enough speed to perform [[PU#Travel and movement|PU movement]]). Then, he jumps to instantly die. Because he spawns in water, he keeps his [[sliding speed]]. Then, by pressing Z to slide and C^ to conserve speed, Mario conserves his QPU speed into the castle grounds. He then navigates to the moat door. Because there is no water in PUs, it takes a frame for the game to realize that the door should be unopenable once Mario returns to the main map. By then it is too late, though, as Mario has already opened the door (from behind).
Mario quickly falls down to the elevators. He then sets the camera to [[fixed cam]] to avoid [[PU#Floating point truncation crash|a crash on console]]. Mario BLJs in order to get QPU speed (enough speed to perform [[PU#Travel and movement|PU movement]]). Since the elevator begins to turn, this allows Mario to use it get massive vertical [[platform displacement]], which triggers the death barrier. Normally level death resets speed, but because Mario spawns in using a water exit, he is able to conserve his [[sliding speed]]. Then, by pressing Z to slide and C^ to conserve speed on the first frame on Mario is on ground (as water does not update sliding speed), he conserves his QPU speed into the castle grounds. Mario then navigates to the moat door's relative locating in PU's, which works because PU's lack water. The game checks whether Mario should enter a door before it checks if he should swim, which allows Mario to open the door (from behind) when he navigates back to the main map.
===Castle Basement===
===Castle Basement===
Mario rapidly swims through the basement and slides down to the 30 Star door area. He performs a [[BLJ#Side BLJ|Side BLJ]] on the stairs, gaining enough speed to skip [[Board Bowser's Sub]] completely, and lands in [[Bowser in the Fire Sea]], skipping the 1st key.
Mario rapidly swims through the basement and slides down to the 30 Star door area. He performs a [[BLJ#Side BLJ|Side BLJ]] on the stairs, gaining enough speed to skip [[Board Bowser's Sub]] completely, and lands in [[Bowser in the Fire Sea]], skipping the 1st key.
===Bowser in the Fire Sea===
===Bowser in the Fire Sea===
Mario traverses the beginning of the level, using the [[hanging-ceiling upwarp]] glitch to pass the pole. He then performs an Elevator BLJ to gain QPU speed. Then, Mario travels through a PU and performs an [[Overflow Jump]], making use of high negative vertical speed to snap to the next highest point in the main map, entering the Bowser fight.
Mario traverses the beginning of the level, using the [[hanging-ceiling upwarp]] glitch to pass the pole. On he elevator, Mario performs an elevator BLJ to gain QPU speed. Then, Mario travels through a PU and performs an [[Overflow Jump]], making use of high negative vertical speed to snap to the area with the bob-ombs (in a PU), before navigating into the warp for the Bowser fight.
===Bowser Fight===
===Bowser Fight===
Mario BLJs to grab Bowser's tail closer to the mine than would otherwise be possible.<sup style='color:blue'>[how?]</sup> After beating Bowser, Mario pause-exits out of [[Dire, Dire Docks]] to quickly return to the castle lobby.
When the stage is tilted, Mario BLJ's to gain large amounts of speed. With this speed, Mario is able to move farther after grabbing Bowser's tail than normal, which place them closer to the mine than would otherwise be possible. After beating Bowser, Mario enters and pause-exits out of [[Dire, Dire Docks]] to quickly return to the castle lobby.
===Castle Upstairs===
===Castle Upstairs===
Mario uses a [[Glitchy Ledge Grab]] to quickly get up the first set of stairs. Although it is not visible on camera, Mario then performs a Side BLJ to gain speed. He then clips through the 50 Star door. Mario then performs Clock Punch, described here (scroll down)<ref>http://tasvideos.org/5237S.html</ref>. He then uses wall kicks to navigate past the [[Endless Stairs]] and into [[Bowser in the Sky]].
Mario uses a [[Glitchy Ledge Grab]] to quickly get up the first set of stairs. Although it is not visible on camera, Mario then performs a Side BLJ to gain speed. He then clips through the 50 Star door. Mario then performs "Clock Punch", described here (scroll down)<ref>http://tasvideos.org/5237S.html</ref>. He then uses wall kicks to navigate past the [[Endless Stairs]] and into [[Bowser in the Sky]].
===Bowser in the Sky===
===Bowser in the Sky===
Mario quickly beats the level, using skips to avoid large parts of it. When he gets to the last elevator, he uses a BLJ to reach the pipe quickly.
Mario quickly beats the level, using skips to avoid large parts of it. When he gets to the last elevator, he uses a BLJ to reach the pipe quickly.

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