The zip file contains various assets required for the style and accompanying level pack. Installation should be simple enough, but here are instructions anyway.
Contents should be as follows:
dex_halloween - This is the style and needs to be put in the NeoLemmix styles folder.
music - put the contents of this file into the NeoLemmix music folder.
sound - put these in the sound folder.
Note: some of the background music is from Bill's Tomato Game. See this thread for more info:
https://www.lemmingsforums.net/index.php?topic=4404.0Some of the levels also use assets from another of our styles - Chalkboard Lemmings. You can get that style here:
https://www.lemmingsforums.net/index.php?topic=4214.0