Here's a little software I made that some bytecode hackers here might find useful to get their flash SWF and Unity dll files. It is largely based on the old swfmdump from Mr. White.
SWF Memory dumper for Windows x86
Flash games need to be uncompressed and decrypted in memory, before flash can play them in your browser. So if you manage to get games directly from browser memory, you bypass zlib compression, mochicrypt encryption and stuff like that, and get a ready-to-hack file.
Likewise, with Unity games it is possible to obtain the games source code by extracting the unity dll files from memory.