Zachara's Chapter is for version 1.3. It has 7+1 levels and the file is 137KB in size. The file name is zod1-v2.zip. It was released on February 4, 1999.

Zachara's Chapter has simple level design and textures with very little detail. The gameplay is good to fair. It reminded me a little of the Wolfenstein 3D games level design at first. Lots of corridors with some little rooms. There is not much health or ammo at times also. I came to depend on what the aliens dropped to reload my weapons quite often. Level 1 was fair and should have been made shorter I think. It took me 25 minutes and there were 167 aliens to kill. Level 2 starts off with a stupid trap. If you don't move fast you get trapped at the start of the level. I save the game when I start each new level so it was no big deal but it could have been. The rest of the level has some little maze/puzzle things and a really poor ending. It took me about 3 minutes of game time to finish this level but 12 or 13 minutes of real time because I kept reloading it. If you play level 2 you will see why. Level 3 was mostly some large rooms with columns that had aliens hiding behind them. Level 8 is the secret level and the first level with halfway decent level design. It's also the first time I came across the regular med kits, elevators, and monitors. I thought this was going to be a huge level from the way it started but it only took 12 minutes. Level 4 was a push the switch find out what opened type level. Okay nothing special. Level 5 is like level 4 except there is a boss on this level. I stopped playing at this point. I know there are 2 more levels with level 7 being the big boss level. I rate this TC as fair with 2 out of 5 stars.