In SNK Championship Mode, finish the third match with at least 15 goals scored in the 3 prior games, and have no goals score against you.
When you are shown the screen to choose the 4th opponent, the SNK Supers Stars will interrupt.
The SNK Super Stars team consists of:
FW 11 K.KUSANAGI
FW 10 A.BOGARD
FW 09 T.BOGARD
Mf 08 S.HISAME
Mf 07 R.GARCIA
Mf 06 B.WILSON
DF 05 GALFORD
DF 04 KING LEO
DF 03 R.SAKAZAKI
DF 02 B.NIKAIDO
GK 01 G.DAIMON
In the stands you can see Yuri Sakazaki, Joe Higashi, Geese Howard, Iori Yagami, and more famous SNK characters.
This is an extra match, so whatever score you get in this game won't be added to the stats in the overall championship.