Laser Snaker is one of many snake games for the ZX Spectrum. It was written by Stephen Crow and published in 1983 by Poppy Soft.
The game involves working up through a progression of eight skill levels, ultimately reaching "SUPREME SNAKER". Skill level 1 is called "Snake Cadet" (possibly, perhaps subconsciously, a reference to the beginner "Space Cadet" level of Gorf), but this is the only punning level name.
Source: Wikipedia, "Laser Snaker", available under the CC-BY-SA License.