The sc_mappak2k.zip file you have requested: Maps Levels Missions / Sven Coop Maps / SvenCo-op Map Pack 2000 - 851kb is not available. Perhaps try browsing all files for the game Half-Life and upload any files you want to share or are missing. This is the only information we could locate:
Map: "Pack Animals Version 2"
Changes from version 1: I added a Barney room, more lights, about 80 more houdeyes, more ammo and fixed a few bugs. I also updated the ReadMe a bit and all the information is compliant with Version 2.
Autho Map Pack 2000 containing 4 maps for the Sven Co-Op MOD. They are: AlienDie2 by LordSlayer - More and improved Killing-Aliens-In-Interesting-Ways devices. Defend by Shooter - Defend a house against grunts. Map completed when all grunts die. Fishing2 by Kun