Sunday Sketch - Flooded Tiles

I spent almost the entire Sunday on this one, in between a few games of Warzone and Dota with the guys, of course. Most of my Sunday-morning-sketches just takes an hour or two, then I take a step back, realize it looks horrible, and never go further with it. But this one was relaxing and fun (although familiar..), and I ended up spending around 6-7 hours on it.
It still looked decent after work on Monday, so decided to take a few shots and put them up here :)
It's 100% Designer, made from scratch.
What do you think, are the colors too crazy?