Cheetahmen II NES worth

The catalog shows two listings for *Cheetahmen II* on the NES. The standard Cheetahmen II — NES is valued at $5049.96 used [1]. If you are looking at the homebrew version, Cheetahmen II: The Lost Levels [Homebrew] — NES, its used value is listed at $132.5 [2]. The significant difference in value is likely due to the official release versus the homebrew nature of the second title.