G1SqScenStart

An optional player can occupy each tile. This is the only tile data in the game. this is the same as Game one.

The turn number. This will normally start at 0. The player will then give their instructions for turn 1. The scenario will take these orders / instructions and return the new game state at turn 1.

This gives the structure of the square grid. It contains no data about the elements of the grid. But it allows the scenario to create and operate on flat arrays of data.