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Play NBA Jam (Japan edition · English) Online
NBA Jam
Play NBA Jam online. Play two-on-two NBA basketball with huge dunks, turbo bursts and on-fire scoring runs.
Browser play

Sega Game Gear — EmulatorJS controls
Default Player 1 keyboard mapping. Change keys in Controller Settings.
| Console button | Keyboard |
|---|---|
| ↑ / ↓ / ← / → | ↑ / ↓ / ← / → |
| 1 / 2 | X / Z |
| START | Enter |
Open Controller Settings to configure your keyboard or gamepad. Touch controls are available on mobile.
How to Play NBA Jam
Quick start
Press START to begin, choose whether to enter initials and a password, then select a team. Use 1 or 2 to choose your player and START to confirm. Move into space, pass with 2 and hold then release 1 to shoot.
Controls
Default layout: D-pad moves. 1: hold then release to shoot; block on defense. 2: pass on offense, steal on defense. Hold START for turbo; drive toward the basket and press START+1 to dunk. Options can change the layout.
NBA Jam — About this game
NBA Jam on Game Gear compresses professional basketball into fast two-on-two contests for one player with a computer teammate. Choose from 27 NBA teams and weigh speed, three-point shooting, dunks and defense when selecting your player. Turbo helps drive past a defender or rush back for a block, but the meter needs time to refill. Three consecutive baskets by one player ignite an on-fire run with unlimited turbo and improved shooting. Tag Mode can hand control to the teammate receiving a pass, changing how you coordinate attacks. Passwords preserve the season record between sessions. Release shots near the top of the jump and watch passing lanes instead of forcing every possession into a dunk.
NBA Jam Game manuals
Cheats
No cheats have been added for this edition.
Player verification and sources
Browser play was reviewed before this edition was published in the catalogue. The date below is the catalogue publication date, not the game’s original release date.
- Browser test and catalogue publication date
- Browsers and devices
- PC: Chrome, Edge and Firefox. Mobile: Chrome on Android and Safari on iPhone and iPad.
- Player engine and core
- EmulatorJS 4.3.0-pre · segaGG
- Tested by
- rwEmulator
Sources and editorial basis
rwEmulator reviews edition metadata, release information, game manuals and first-hand browser-play notes. Available manuals are linked below; the editorial policy explains how facts are checked and corrections are handled.