Game Style:
The game should stay like how it is (2D Platform). It should also be made a bit more rpg ish (leveling stuff).

Platform:
PC would be good and you should make it for the new Nintendo DS and Gameboy Advance

Time Period:
It should be after jazz jackrabbit 2.

Graphics Type:
Same as jjr2.

Multiplayer Types:
Yes. CTF! Deathmatch/Team Deathmatch,LMS,King of the hill,etc..

Companies:
I think rare should be the company for this!

Stories and Cutscenes:
-

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And this is my opinion