After an opponent has beaten you and the anouncer yells "Finish Him!" it is time to input a Hari Kiri. Hari Kiris require no set distance unlike fatalities. To perform one simply put in the code while your character is dazed after losing a battle.
After you have beaten an opponent and the announcer yells "Finish Him!" it is time to input a Fatality. Fatlities require a set distance to perform. The distances are:
Close: 1 step away from your dazed opponent Sweep: 2 steps away from your dazed opponent Far: 5-6 steps away from your dazed opponent (end of arena)
After you are at the required distance press the L trigger to enter the Fatality stance. Then input the fatality code.
Code
Effect
Down, Down, Up, Up, Y (close)
Ashrah's First Fatality
Forward, Down, Forward, Down, Y (sweep)
Ashrah's Second Fatality
Forward, Up, Down, Y (close)
Baraka's First Fatality
Forward, Down, Back, Forward, Y (sweep)
Baraka's Second Fatality
Down, Up, Forward, Forward, Y (sweep)
Bo Rai Cho's First Fatality
Up, Back, Forward, A (sweep)
Bo Rai Cho's Second Fatality
Down, Up, Back, Back, X (sweep)
Dairou's First Fatality
Down, Down, Back, A (close)
Dairou's Second Fatality
Up, Down, Back, Forward, A (sweep)
Darrius's First Fatality
Down, Forward, Forward, Up, X (close)
Darrius's Second Fatality
Down, Back, Back, Down, A (sweep)
Ermac's First Fatality
Back, Down, Back, Down, B (sweep)
Ermac's Second Fatality
Down, Forward, Forward, Up, B (close)
Havik's First Fatality
Forward, Forward, Forward, Back, Y (sweep)
Havik's Second Fatality
Forward, Up, Back, Down, X (sweep)
Hotaru's First Fatality
Down, Forward, Back, Forward, Y (close)
Hotaru's Second Fatality
Back, Forward, Up, Forward, X (sweep)
Jade's First Fatality
Back, Forward, Forward, Forward, Y (close)
Jade's Second Fatality
Forward, Up, Up, Up, A (close)
Kabal's First Fatality
Up, Up, Down, Down, Y (close)
Kabal's Second Fatality
Forward, Forward, Back, Back, Y (sweep)
Kenshi's First Fatality
Up, Forward, Back, Forward, Y (sweep)
Kenshi's Second Fatality
Back, Forward, Forward, Back, B (far)
Kira's First Fatality
Up, Forward, Down, Back, A (sweep)
Kira's Second Fatality
Down, Back, Forward, Down, B (close)
Kobra's First Fatality
Forward, Back, Forward, Forward, Y (close)
Kobra's Second Fatality
Forward, Forward, Forward, Forward, X (sweep)
Li Mei's First Ftality
Up, Back, Forward, Forward, B (sweep)
Li Mei's Second Fatality
Back, Back, Back, Forward, Y (sweep)
Liu Kang's First Fatality
Forward, Forward, Up, Up, A (sweep)
Liu Kang's Second Fatality
Forward, Forward, Down, Down, X (sweep)
Mileena's First Fatality
Up, Up, Forward, Forward, A (far)
Mileena's Second Fatality
Back, Forward, Back, Forward, X (far)
Nightwolf's First Fatality
Down, Forward, Down, Up, Y (sweep)
Nightwolf's Second Fatality
Back, Forward, Back, Forward, B (must be noob) (sweep)
Noob Saibot & Smoke's First Fatality
Up, Down, Down, Forward, Y (must be smoke) (sweep)