It starts with a tiny in-class doodle off in the corner of an old school assignment.
Then a not-so-tiny doodle on a full page during Study Hall.
Open up design mode and start building. It turns into a shell of a dilapidated fortress.
Keep building. Add courtyards, hallways, towers, a healthy amount of spike traps.
Add windows, torches, more towers.
And after a month, upload. Voila - it's done.
Play it here (if you're part of the private beta, that is)!