Hex Sweeper (Pineberry Fox)

Move your cursor with the D-pad, click with B, or toggle a flag with A or C.  Flag all of the mines as quickly as you can! You can see your fastest times on each difficulty mode in the title screen, and in the current mode during gameplay. Challenge your friends for the best times!

This game was actually one of the first I ever made, having begun in 2016 and seeing its latest commit in 2019.  The goal was to make a game that was fun and had both sound and colour-graphics within 8KB of total ROM space for the Sega Mega Drive / Genesis home console.  I succeeded in that goal, and learned a lot in the process!  Especially regarding compression.  I still consider the decompressor in this game to be among the best code I've ever written.

Anyway, to play it you will of course need an emulator for this console.  I personally use Genesis Plus, but that's a mac app.  If you're on one of the other OSs (Windows, Linux, etc), I hear that BlastEm is probably good.