Zillion 3D is a mod by smokingsimon (aka 33Games) that is based on the Japanese anime and video game series Zillion.
Released on March 25, 2014, it features twenty levels with four bosses within two episodes. Health items are now mostly fast food, bonus items are mostly electronics, and enemies alien Nozah or robots with laser guns. One of its central gameplay premises is that enemies are one shot killed, although often coming in swarms.
The Wordpress website contains information such as enemy descriptions and level map images. The game was created using the Wolf3D Data Compiler. A remake using the Unity engine was worked on in 2016, later evolving into the standalone Red Laser Z.