Undertale-style battle is a student Basys 3 FPGA project written in Verilog. It uses USB-UART keyboard, sprite images (.list ROM files). Play it free on this site: the simulation runs on your own PC, no FPGA board needed.
How to play
Type in the UART card (the window's terminal): Enter = next page, W A S D move the heart, Space = select / attack.
What it uses
Verilog · USB-UART keyboard, sprite images (.list ROM files)
A fan-made battle screen from a hardware lab course (Chulalongkorn University).
Source code: github.com/tongplw/Undertale-Verilog