The p8/png version is available on the Pico-8 forums here: https://www.lexaloffle.com/bbs/?tid=38153
Or you can load it directly into Pico-8 by typing "load #ufo" at the command line.
I want to make so many of the wacky games this generates. Of all the game idea generators I've come across this is honestly the most inspirational. I'm so glad you didn't stop it from generating nonsensical names.
Yeah, this game actually came about because I was playing with 3D rendering in Pico-8 and was looking for something to do with it. The characters are done as a combination of 3D models and 2D sprites to retain the retro sprite look.