Typing Rain (keyboard) is a ready-made Basys 3 FPGA game written in Verilog. It uses PS/2 keyboard on the USB port, VGA. Play it free right in your browser - nothing to install, no FPGA board needed.
How to play
Press F2 once so your keyboard goes to the FPGA, Space starts. Type the falling letters before they land (5 lives).
What it uses
Verilog · PS/2 keyboard on the USB port, VGA
The code: download the Verilog project (.zip) — read it, change it, and run your version with the free PC program.