[renang]

You can keep pressing left all the time and you will you see some numbers appearing and disappearing. Sometimes moving to the line on top.

Pressing down results in errors on line 111. let and board giving "bad array expected", "expression expected".

Edit: I am on Mac OS.

[rpicard]

I had the same problems and I'm on OS X as well. https://github.com/mydzor/bash2048/issues/1