Sound is required: the amount of blips you hear after pressing a key is the amount of mines surrounding that key. You can play it blind.

-- Yeah, I should have called it Blindsweeper, I'm still kicking myself over it. Now it's taken. --

This is a game I made over two years ago, I never uploaded it because It had my real name on it and I lost the source. Then I found out the textures aren't encrypted so it was as easy as erasing it in Paint. I made it in two days in Gamemaker Studio. It was one of those ideas that I just had to start working on instantly.