The lair2.zip file you have requested: Modifications / The lair - 329.52kb is not available. Perhaps try browsing all files for the game Doom and upload any files you want to share or are missing. This is the only information we could locate:
LAIR2.WAD - a HUGE single-player level for Doom II
This is an updated and LEGALIZED version of LAIR.ZIP.
The original version contained about 3.5MB of illegal sprite graphics
from doom2.wad (copyrighted by id Software). This version onl a HUGE single-player level for Doom II