I'd like to thank Sally Cort for forwarding this excellent walkthrough to me!
Unfortunately, I am personally unable to provide further help on Lemmings Revolution as I don't own the game yet. (I've been unable to find it here in Australia. I'm looking at importing it) Questions on the game should be posted in alt.lemmings while corrections/suggestions should be forwarded to Sally Cort (details below)
If anyone has written walkthroughs for the first 4 level columns, I'd be grateful if you could forward them to me (details below).
This walkthrough is not presented in Lem.Net's usual format for the reason that offline, I'm doing a lot of work on a "new" Lem.Net, integrating all Lem.Net services into one site. This new site isn't finished yet, so I've coded this walkthrough in a simple format, to make it more easily integratable into the new site.
For those who are looking for more level codes/hints for other games, I suggest you take a look at the Hints section of The LemNet Chronicles.