StarShipper

Enter "D" at the end of your seed, or just "D" for a random seed, to play with cheated resources and all star systems visible

This is a generic space trading simulation: a prototype to experiment with DOM manipulation UI overlays in webpage development, and to learn JSON for saving and loading javascript objects, without libraries from the ground up. 

Features:
Seeded procedurally generated spiral galaxy with 52 star systems
Stars with planets
Trading at each planet
Planet economy types
Mouseclick based starship movement