If you are using Chrome, Firefox or Microsoft Edge for Windows 10 (tested on version 25.10586.0.0) explore a virtual Norman square keep.
Explore three complete floors of a Norman square keep plus a fourth gallery floor using this 3D reconstruction built using the Unity 3D game engine. Based roughly on the layout of Dover Castle explore the basement and dungeon on the ground floor.
For best results when exploring the reconstruction press 'L' to go full screen. Press 'Shift' to run.
The reconstruction has been created using Unity 3D and employs the technology of WebGL.
You may also be interested in exploring a motte and bailey castle.
You may also be interested in exploring a Northumberland castle built near the Scottish border. An excellent example of a tower house with improved fortifications.