

Ultimate Mortal Kombat 3 is an update of
Mortal Kombat 3 and was later
updated into Mortal Kombat Trilogy. Gameplay was identical but
introduced a few new elements. Two new tournament modes were
introduced. One was entitled 2-on-2 Kombat Mode which was similar
to an Endurance match but with humans on both sides. There was also
a new 8 player tournament Kombat. "Chain combos" could be started
by using a jump punch (vertical or angled) or a vertical jump kick
which created more comboing opportunities. Some characters were
given extra combos and some combos were even damage reduced. Combos
that knock opponents in the air would no longer send your opponent
to the level above in multi layered levels. Only regular uppercuts
would allow for this.
(Wikipedia)