All you really have to do when using a castle as a dungeon is ask yourself, how many rooms are in this place? It could be crumbling ruins your party is tasked with clearing out. Or they could be ...

This portcullis is at Edinburgh Castle (above). A castle dungeon was a room used to hold prisoners, usually underground. St Andrews Castle has a famous dungeon which is shaped like a bottle.

From the hidden chests, to the first big boss battle in the game, Suikoden 1's Toran Castle is the first real test you'll run ...