Reverse Engineering Large Software Projects?

stalebread queries: "Me and a team of other students have been tasked with reverse engineering a massive C/C++ (mostly C) computer game of about half a million lines. We have most of the source, but no clue of how to approach a task of this magnitude. Anyone have suggestions of programs, or techniques we could use to understand the structure of the game?"

lots of moutain dew....

[warpSpeed]

Oh, yeah, and hohos! Never underestimate the power of the hoho.

Re:I believe the instructor is assigning...

[QuantumG]

Yep, lots of luck finding a single one of these tools that works on C code. Although making pretty pictures can certainly be a good way to get an overview of the software, and maybe students need that kind of assistance. Personally I think something like C-Scope is more than enough.