NBA Jam (Apr 1993 prototype)

NBA Jam (Apr 1993 prototype)
Dump status Released Dumped by Radar Released by drx Origin EPROM cart Labels NBA JAM - M/D ROM# Dump method Retrode Game NBA Jam System Sega Mega Drive Genre Sports - Basketball Release date JP Apr 29, 1994 EU Mar 4, 1994 US Mar 4, 1994

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An early prototype of NBA Jam for the Sega Mega Drive.

Notes

The Cutting Room Floor research

This prototype has a research article on TCRF.

• The ROM's header is used to date this prototype.
• There's no sound or music at all in this prototype.
• The title screen is slightly darker in the prototype and lacks some texture on the "floor" that exists in the final.
• In the prototype, the Midway credit on the title screen doesn't exist and the Acclaim credit is above the logo. In the final, the Acclaim credit is beneath the logo and a Midway credit above.
• There are no demos after the title screen.
• The game boots right into the title screen, there is no SEGA screen.
• There is no trademark/copyright information before the title screen.
• The Iguana Entertainment and Arena Entertainment company credit screens don't exist yet.
• When you press start at the title screen, the available selections are "ONE/TWO PLAYER" and "TWO PLAYER TEAM". In the final, the available selections are "HEAD TO HEAD", "TEAM GAME", and "OPTIONS".
• In the prototype, you can enter a password along with your initials to safe guard your score. This was removed for the final.
• In the prototype, it says "CHALLENGER NEEDED!" in every slot on the initials screen. In the final, only playable slots say "JOIN IN!"/"CHALLENGER NEEDED!".
  • Team Differeneces
• In the prototype, the two frames that contains the photos of each player has a green background on the left and a purple background on the right. In the final, this has been switched.
• In the prototype, the Seattle Supersonics consists of Kemp and McKey. In the final, the team consists of Kemp and Schrempf. Both players have different stats.
• In the prototype, Jackson under the Dallas Mavericks has a different photo in comparison to the final.
• The logo for the Denver Nuggets is different in the prototype.
• The logo for the Utah Jazz is different in the prototype.
• In the prototype, Mourning under the Charlotte Hornets has a different photo in comaparison to the final.
• The logo for the Detroit Pistons is different in the prototype.
• In the prototype, Schrempf belongs to the Indiana Pacers. In the final, it's McKey instead.
• The logo for the Milkwavkee Bucks is different in the prototype. Lohavs' photo is slightly different in the prototype.
• In the prototype, Seikaly's photo is slightly different.
  • Gameplay Differences
• You cannot pause the game in the prototype.
• The game will often hang when using the controller, particularly when pressing left and right simulaneously on the D-Pad.

Screenshots

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  Title screen.

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  Entering initials.

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  Select team.

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  Match-up screen.

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  Gameplay 1.

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  Gameplay 2.

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  Gameplay 3

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  Gameplay 4

Origin

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  PCB front.

Acknowledgments

Special thanks to Radar for this release!