The Internet Archive hosts thousands of DOS games playable directly in your browser via a JavaScript DOS emulator.

An means:

Let’s be clear: No one has ever snorted a line of ones and zeros. The game is satire—a commentary on 1980s Reagan-era "Just Say No" hysteria and the absurdity of the black market.

But there is a problem. Most schools, libraries, and corporate networks block "unconventional" games. That is where the search for begins.