I created every aspect of these scenes. Similar modeling and texturing techniques were used for Mr. Codcheeks and the Haunted House, a Flash adventure game for young children. Hidden Evil was a more ambitious project, wherein I created a working, party-based Flash RPG.
This freely available web player allows you to view these Keep on the Borderland environments from first person perspective, with a movable camera. Download 3D Life Player
A tip for camera navigation: to keep your orientation while moving upwards, it's easier to look at the ground and move backwards.
Please keep in mind that all environments were originally generated for isometric perspective and a much lower resoution than is available in 3D. Lighting is basic and without shadows, and particle effects, generated in game, are absent.