It's a Quake 1 map (So don't put it into the Half-Life folder :) ) How to run: 1. Put ldj7_base.lit and ldj7_base.bsp into [Quake directory] - id1-maps folder 2. Run QuakeSpasm.exe or other quake 1 engine 3. Press [~] or [Esc] - Option-Go T...