Any tips on how to beat this level will be gratefully received.
Thanks in advance

You can actually find walkthroughs for all the single-player levels on YouTube. They might be too much, though.

Thanks, had a look and it's now done and dusted. In the end I was being chased around the left side of the board by an ever increasing number of troops, whilst searching for the last commander. Thankfully I found him before they got me.

Edited 12/11/2017 21:15:50