Hex Sweeper by Pineberry Fox is a homebrew puzzle game made for Sega Genesis/Mega Drive.
In this game, you need to 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.