Any other gamers on here? You should recognize this from Fallout 3

Description:
Partial clone of the Robco Industries hacking game found in the video game Fallout 3. Written in Javascript/jQuery and PHP. Only has 8 letter words. No dud removers.

http://lolwebz.com/games/hacker/

What do you think? An error appears only part of the time, haven't figured out what causes it yet.