Back in the day, I played the Amiga port of Larn with little graphical tiles. Lots of fun. There was a graphical Amiga port of Hack too, but it was too buggy.
That seems to be a normal MIT licence (without advertising clause). Debian packages loads of software under that licence.
[Edit] That appears to be JS Larn, which is apparently derived from Larn and uLarn, but with an MIT licence replacing the original author's. You can't do that.
Author didn't go into the fact that some of these games arrived with PCs; AFAIK there was never a Unix version of Larn.