This was my first attempt at a complex isometric game, during a ludum dare competition at that. Unfortunately, while generating track pieces from math functions was really cool, it meant that the game ended up incomplete due to some extreme debugging mishaps. It's still worth checking out, though.
For more information, check out my writeup here. http://ludumdare.com/compo/2013/04/30/why-making-your-first-math-heavy-iso-game-in-ludum-dare-is-a-bad-idea-a-post-mortem/