Good coding
It´s nicley coded, runs smooth and is not bugged or highly flawed.
It lacks in the art section though, It really dosn´t take alot to make it look more appealing.
This is like the perfect template to use to create a real tycoon game.
Can be changed into almost any tycoon without too much work, that makes it feel like a nice creation.
Now go get a girlfriend that i obsessed with photoshop art and you are set =)