Azure Sheep port. Just copy asheep folder to folder where is 'valve' located.
NOTE: Scientist can't open the door on asmap04c map. Use noclip to pass this place.
Alex994 for some partially recreated Azure Sheep entities.
AlliedModders, Solokiller, LevShisterov, YaLTeR, FreeSlave, Unkle Mike, Vit_Amin and Tyler Lund for many public bugfixes for Half-Life SDK.