Idea for "Game in a Floppy"

I'm planning a little contest for my community(although I can't tell where my community is..), and this is a idea just for fun.

Rule is simple:

"The zipped game must fit in a 1.44MB Floppy, and can't use installer or install 3rd party control on client PCs"

I feel games today is unnecessary bloated , and I want give my members a little challenge, any idea or suggestion?

Only use ASCII graphics.

FINISHING the game is compulsory for entry.