NBA Jam (Apr 1993 prototype)

NBA Jam (Apr 1993 prototype)
Dump status Released Dumped by Radar Released by drx File release date February 11, 2019 Origin EPROM cart EPROMs 4x Board SGEP2A 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!