Zombie Edition is a mod based on original half-life concept, but you will play as a headcrab and, what is more interesting, as a zombie. Zombies can mutate to change their characteristics into three types and every type will have at least six upgrades including using new weapons and abilities.
For further information please check this mod's FAQ in the News section.
I was not aware that this page was automatically copied to Desura. Now that I am, I will repost the (slightly updated) FAQ, since apparently it is invisible there. So, if you have any questions or issues...Oct 2, 2014 News
Remember that other project I was talking about way before? Well, it's up on indiegogo now and needs your support! Back it up, share it everywhere you can and help me create a brand new RPG system!Apr 16, 2013 News
After a year and a half... it's back! With minor but still nice fixes.Jun 21, 2010 News
Alas, mod hasn't been properly tested (that happens if you know all the maps by heart), so there were several crucial bugs. Now they are fixed.Nov 22, 2008 News
Today introducing - new trailer and new screenshots from two maps.Aug 23, 2008 News