It's been 20 years since the release of id Software's landmark first-person shooter, Wolfenstein 3D, and iD's current parent company, Bethesda, is celebrating by making the game free to play on the web.

On one hand, this anniversary means we're all about a million years old. On the other hand, that's nothing that hunting down and killing a pixelated Adolf Hitler can't fix.

See also: Director's Commentary from Wolf3D creator John Carmack.

[heyuguys.]