It is an odd curiosity of mine. It says

Designed for N64 Expansion Pak

on the box, but I can't find the answer on Google. Does anybody know what the game uses the Expansion Pak for?

  • 2
    Do you mean the N64 expansion pak?
    – DaniloV
    Commented Mar 18, 2016 at 8:45
  • 1
    Curiously, it is not listed in the list of games supporting the Expansion Pak on that wiki article.
    – MrLemon
    Commented Mar 18, 2016 at 10:01
  • Yes I mean the N64 expansion pak, I updated the question title, good catch. Commented Mar 18, 2016 at 14:14
  • 1
    @MrLemon And yet the box art clearly shows "Designed for N64 Expansion Pak" on it.
    – Powerlord
    Commented Mar 18, 2016 at 15:32

2 Answers 2


The box is (probably) wrong.

1 2 Neither of these lists show that the Expansion Pak does anything for Rainbow Six. This review claims that the Expansion Pak boosts the resolution ("A CRT TV still offers the best experience, especially when using the N64 Expansion Pak to boost the resolution."), but I tested it in emulation and this is not the case. The only other semi-professional source that says anything about Rainbow Six and the Expansion Pak is a page on the German Wikipedia that says it does something, but not exactly what it does.

So the review is flat out wrong, the German Wikipedia is incredibly vague, and the other 2 sources and my personal tests in emulation show that the Expansion Pak does nothing. Those were literally the only semi-credible sources I could find about Rainbow Six and it's (lack of?) Expansion Pak support, and that fact points to "the Expansion Pak probably does nothing for Rainbow Six". I'd say it's safe to assume that the Expansion Pak is useless for Rainbow Six. Even if it did do something that everyone completely missed, whatever it does probably doesn't matter since nobody was able to find it.


Checking the N64's memory, with a Gameshark or an emulator debugger like the one in Project 64, shows that Rainbow Six does use the Expansion Pak memory. The game is definitely doing something with the expansion pak, but I couldn't say what exactly.

  • 1
    We need MVG (Modern Vintage Gamer) or somebody like that to investigate on youtube :) Commented Dec 25, 2020 at 14:27

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