All Zerg from StarCraft: Brood War have been faithfully recreated. Their stats have been adjusted in order to play nice against the War3 races, but their functionality remains intact.
Currently there are seven playable chapters. There is also a multiplayer component available via eurobattle.net.
Download: https://www.moddb.com/mods/zerg-campaign-invasion-of-azeroth
+ Show Spoiler [Screenshots] +
Campaign video playlist
Jayborino's: https://www.youtube.com/playlist?list=PLMmfhvBzj4FAyrC0Wwbdm-H8ttI45CPem
Mine: https://www.youtube.com/playlist?list=PLqCQCAIdfjuT0PwtfComfbfFsp2IYjoVV
If you ever wanted to see another StarCraft campaign, and are fine with playing it in War3, please check it out and let me know what you think!