Power-up defense
Press [Right], [Up], [Down], [Right], [Down], [Up] at the "Tonight's Matchup" screen.
Power-up offense
Press [B], [Y], [Up], [B], [Y], [Up], [Down] at the "Tonight's Matchup" screen.
Power-up speed
Press [Up]x4, [Left]x4, [C], [A] at the "Tonight's Matchup" screen.
Maximum power
Press [Right]x2, [Left], [Right], [C]x2, [Right] at the "Tonight's Matchup" screen.
Quick hands
Press [Left]x4, [Y], [Right] at the "Tonight's Matchup" screen.
Power-up three pointers
Press [Up], [Down], [Left], [Right], [Left], [Down], [Up] at the "Tonight's Matchup" screen.
Baby mode
Press [B], [Y], [B], [Y] at the "Tonight's Matchup" screen.
Short players
Press [X] + [A] + [Z] + [R] at the "Tonight's Matchup" screen.
Big Heads
Press [[A], [B], [C], [Y]] five times at the "Tonight's Matchup" screen.
Mammoth heads
Press [A], [Y], [C], [B], [A], [Y], [C], [B] at the "Tonight's Matchup" screen.
Big players
Press [A], [C], [A], [C], [A], [C], [A], [C], [A], [C], [A], [C], [A], [C] at the "Tonight's Matchup" screen. This will affect all four players.
On fire
Press [B]x2, [Down]x2, [A]x2, [Up], [Left] at the "Tonight's Matchup" screen.
Display shot percentage
Press [Up]x2, [Down]x2, [A] at the "Tonight's Matchup" screen.
Power dunks
Press [Left], [Right], [C], [Y]x2, [C] at the "Tonight's Matchup" screen.
High shots
Press [Up], [Down], [Up], [Down], [Right], [Up], [Y]x4, [Down] at the "Tonight's Matchup" screen.
Teleport passing
Press [Up], [Right]x2, [Left], [Y], [Down], [Left]x2, [Y], [B] at the "Tonight's Matchup" screen.
Power fire up
Press [Down], [Right]x2, [Y], [A], [Left] at the "Tonight's Matchup" screen.
Push one opponent and both fall
Press [Up]x4, [Left]x4, [Y]x2 at the "Tonight's Matchup" screen.
Push one opponent and the other falls
Press [Up]x4, [Left]x4, [Y], [A] at the "Tonight's Matchup" screen.
Final game of the season
Hold [L] + [R] and enter the initials "END" and a date of January 1. The final game against the Rockets for the NBA championship title will begin. The season record will be 26 wins and 7 losses.
NBA Jam champion
Hold [L] + [R] and enter the initials "FIN" and a date of January 1. All the reserve players may now be accessed, with an increased difficulty. The season record will be 27 wins and 9 losses.
Secret players
Hold [L] + [R] and enter the following initials and dates.
"Acclaim Team"
| Magic Hair | STH | December 8 |
| Weasel | DAN | January 2 |
| Max | LIZ | August 7 |
| Fumungus | GUN | January 11 |
| Sequoia | SAW | April 10 |
| Pistol | WAN | June 10 |
| Chow Chow | CHD | May 5 |
| Brutah | GOW | July 17 |
| Boo-Boo | THI | November 1 |
| Kabuki | KUB | April 14 |
| Facime | DEL | October 19 |
| Air-Dog | AIR | Janurary 21 |
"Iguana Team"
| Kirby | CHR | December 18 |
| J Moon | JAY | August 24 |
| J Falcus | JAS | November 16 |
| Snake | SNK | June 15 |
| Hill | ZIG | April 7 |
| Catling | CAT | January 2 |
| Hutchinson | BAR | April 9 |
| D Falcus | DAZ | August 6 |
| Hodgeson | HOG | December 31 |
| Tunnicliff | SAT | May 7 |
| Jax | JAX | March 1 |
| Mad Mike | MUS | December 24 |
| McHugh | BAA | July 12 |
| Higgins | TOM | February 19 |
| Gray | ROB | February 23 |
"Williams Team"
| Turmell | TUR | January 31 |
| Goskie | GOS | January 6 |
| Rivett | REV | July 6 |
| Carlton | CAL | March 25 |
| Divita | DIV | July 3 |
| Liptak | LIP | January 14 |
"NBA Personalities"
| Larry Bird | LAR | Janurary 15 |
| Carol Blazejowski | BLZ | January 14 |
| Charlotte Hornet | HOR | June 12 |
| Chicago Bull | BEN | September 20 |
| Minnesota Timberwolf | WOL | March 7 |
| Phoenix Gorilla | APE | April 2 |
"Sonic Youth"
| Thurston Moore | MOE | June 8 |
| Kim Gordon | GOR | July 3 |
| Lee Renaldo | REN | February 4 |
| Steve Shelley | SHY | June 8 |
"Beastie Boys"
| Adrock | ADR | April 6 |
| MC Adam Yauch | MCA | April 9 |
| Mike D | M_D | July 1 |
"Celebrities"
| Bill Clinton | BIL | June 3 |
| Hillary Clinton | HIL | November 6 |
| Prince Charles | CHA | May 4 |
| Heavy D | HEA | January 9 |
| Jazzy Jeff | JAZ | October 9 |
| Fresh Prince | FRS | February 2 |
| Frank Thomas | FNK | January 8 |