Originally I planned for all the walls to be flat 2d polygons, with a plain texture placed on top. This means I don't have to worry about making 3d objects, texturing them, placing them in the world etc.

However my artist is amazing and he has made 3d models before. He has made some units which lock together and look really cool. Basically instead of a 'cube' to represent a wall, he has created a model. These models are duplicated and it was really easy to replace my primatives with his models.

It makes such a difference to have proper 3d, I might even implement a 'look' control which lets you look around (currently the view is locked to 90 degree angles).

I've just about got the magic spells implemented, all I need now is a levelling-up screen (where the player can increase his skills) and a shop screen, which will allow you to sell items you don't need, buy upgrades, new weapons etc.