LingYan has done a series of YouTube video walkthroughs of Majik Monkee's Operation: Mutant Strike 3 - The Last mutation. There are 10 videos, 1 of each level.You can watch the first video here;
Just follow the links down the right side of the YouTube page once you have watched the first video so you can then watch each video in level order.
You can watch the level I made (Level 7) for the set, here;
LingYan does a lot of YouTube videos of varying games but he also does a lot of Wolf 3d mod walkthroughs. You can visit his channel HERE as I'm sure you'll find plenty of other interesting videos to watch.