Break on through...
Number of lemmings that drop: 60
91% to be saved
Release rate: 30
Available time: 04:00
Turn the first lemming into a builder. Also build stairs on top of the points shown in the picture. Keep building with the first lemmings and when he reaches the ceiling, bash your way through it. Use bombers when needed (don't waste too many).
Last edit: Wednesday, 14 May 2008.
Main source: own words.
Graphics: Holiday Lemmings 1994, Amiga platform.