Day 3 ended
Okay, almost half of the challenge is behind, time to check what's done.
The engine is almost ready, which leaves me with plenty time to work on the actual gameplay. The goal is to preserve natural land, which you used to consider yours since childhood, from the clutches of expanding city, somewhat sim-city like.
The graphics this time is of least priority, because it is not as important as the game itself, and requirements can change as concept is polished in the process.