
Early March - Inverted HUD footage is recorded. February - Luigi is removed from the game. February 1 - Water bomb model is added. January 31 - The Chain Chomp's ball model is created. January 19 - A backup of all of the current Star and item box positions is made and saved as "star". December 16 - Mario's texture list is updated for the final time. December 7-16 - A screenshot is taken of the current build at the time for the 1996 consumer report. December 7 - Mario's current model is backed up to mario_old in preparation for the newly-added Cap powerups. December 6 - Ball model used on top of poles is created. 3D Stars are created and Mario is now voiced by Charles Martinet. December - Initial anticipated release date.
November 22-24 - The Ultra 64 is unveiled at the seventh-annual Shoshinkai trade show in Japan along with early prototypes of two games, one of which is Super Mario 64.November 20 - Mario's dust particles are created.November 17 - Unused spring model is created.November - The Nintendo 64 (then known as "Ultra 64") is patented.
October 23 - The Thwomp's model is created.October 19 - Explosion effect is created.October - B-Roll footage and screenshots are recorded for the upcoming Shoshinkai event.
September 22 - The Boo's model is created. September 8 - The Bullet Bill's model is created. September 6 - include/stage.h is created. August - Mario head on the title screen is created. July 18 - include/ystruct.h is created. July 11 - The model animation format used by the game is finalized. June 20 - Luigi's model is updated for the final time. June 16 - The unused throwable Koopa Shell model is updated. June 12 - include/system.h (leftover include file in MK64) is updated. May 11 - include/shapedef.h (second-oldest model list) is updated.
March 22 - include/shapedef.inc (oldest model list) is updated. January 8 - include/wenemy.h is created. September 7 - Super Mario 64 begins development as " Ultra 64 Mario Brothers.". April 5 - include/yvars.h (oldest file, remnant from "Ultra 64 Test Program") is created. The people behind the programming of the touchstone title.