I'm pretty sure one of the first three of the files types listed the holds the game's files, as there is no other files they could possibly be. I'm guessing either the wad or vlo is the culprit, and the map file is the setup for the map. I have a hunch the wad is the archive as... screw that, THIS JUST IN, the .exe TELLS YOU which files each .wad contains! See the .wad section of the list I got from the .exe! (I line breaked the folders in the root folder for better listing)
http://pastebin.com/LXAdTXcW
Once the .wad gets cracked, the .XMR files inside will be a new file that needs looking at... either those or the currently exposed .vlo files might be models, as the game does use .pal (palete) files which can already be edited with an editor from another game.
Anyhow, I've broken down my findings on each file type so far below.
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MAP Files:
- MAP files have the following at the start of every file: FROG followed by "2.00Maybe this time it'll all work fine with one byte set" [no quotes] with 4 bytes in between the two.
- MAP files also have the GENE and PATH, consistently appearing in the same spots at the start of every file.
- GRID also appears in the file, usually followed shortly after by several character tables.
- ANIM sections appears usually closer towards the end of the file.
The first byte in a WAD FILE is always different, the meaning of this I'm not yet sure. WAD files come in sections, which are defined by FOM (at least that's my interpretation, I'm not a pro reverse engineerer, so...). Some files also use DUMY.
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WAD Files:
For each WAD file there are two versions, a regular and a _WIN95 version. DUMY and FOM sometimes seem to make an appearance. A character table sometimes exists in these files (doesn't appear in wad for options?).
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VLO Files:
For each VLO file there are two versions, a regular file and a _WIN95 version. These files have a header of 2GRP