Curious

I’m not quite sure if this is the right place to ask this question, but nevertheless:

Suppose I have developed a simple game using Python that is able to run using the Zelle graphics package and wanted to use the code in conjunction with Blender to make it 3D. Now, assuming I have already gone ahead and have the models ready, can I simply import the code directly or does it go deeper than that?

I’m lost when it comes to the game engine so if someone could help me make sense of all this, I’d appreciate it. I was thinking of switching the graphics package to blender or some such, but I don’t think it’s that easy. I would have to use the game engine anyway, correct?

It’s something I’ve been thinking about so the question is more or less conceptual in essence, meaning I have nothing to show for it. Help is still appreciated.