Description:

First, let's spit some facts:

Hong Kong 97:

Hong Kong 97 is an unlicensed shoot 'em up video game developed and published by HappySoft, a doujin game developer, for the Super Famicom. It was released in Japan in 1995, being sold as cartridges and floppy disks. Designed by the Japanese game journalist Kowloon Kurosawa, who claims the game is a satire of the video game industry, Hong Kong 97 was made in two days with the help of a friend.

Deltarune:

Deltarune is a role-playing video game developed by Toby Fox. The player controls a teenage human, Kris, who is destined to save the world together with Susie, a monster, and Ralsei, a prince from the Dark World. During their quest to seal the "Dark Fountains" prophesied to end the world, the group meets the inhabitants of the "Dark World", some of whom try to stop them.

So... Why not?

Credits:

Developed by Late Night Tom on GDevelop 5.

Inspired by this Xploshi video, its comments, and this parody game.

Sprites from original Deltarune game by Toby Fox, and random images from Google (suck it Copyright). 

Original music: Hong Kong 97 Theme Remastered (I Love Beijing Tiananmen).