Maybe some missing features:

Screen burn. Leave it on for a few months displaying the same stuff and get a grey burned in shadow forever showing 'Login:' at the top left of your terminal.

Gauss distortion: Bring a strong magnet close to your terminal to have all the letters suck to one side and stay there for days.

TEMPEST fun: Broadcast the contents of your badly shielded screen to another badly shielded screen in the same room (yes that's real and something I've actually seen).