Yep, just like the MS-DOS games of my days.
And since it's all text (No silly images!), updates would be more frequent and efficient.
So, let's start out.
Establish a character!:
>The year is 30XX
>Earth has been abandoned by humanity....
>In the bowels of space, mankind thrives only vaguely.
>You are the seemingly unimportant citizen of a colonial ship hovering between the Milky Way and Andromeda.
>What is your gender?
>What is your name?
>__
>Commands:
>inventory
>observer (something)
>use (something)
>_ (Anything, Ill work it out)
Go.