Implement a system that changes the perceived difficulty of the game depending on both elapsed time, and number of clients connected.
Important points to note:
Players can leave/join at any time, so this must be modifiable on the fly
Since there is no endgame and the universe is fairly empty, the difficulty curve will have to be severe enough to force a game to end within around half an hour of play.
An additional effect of the difficulty curve should be that more spawn points of the sector are used as the elapsed time rises.
Implement a system that changes the perceived difficulty of the game depending on both elapsed time, and number of clients connected.
Important points to note: