So i just had this as an idea, not sure whether or not it would be good so i thought i'd ask and see what people thought;

What if the gradient of the terrain had an effect on the speed your robot moved at? I.e. Going up a steep slope makes you slower, and down one makes you faster? Not by a lot, but by a small amount, proportional to how steep the gradient is. So going down a gentle hill could give you a +1% speed boost, whilst going up a very steep hill could reduce your speed by maybe -5%.

Personally i think it would add an extra strategic and tactical element to the game: A gang leader would need an awareness of terrain to minimize the gangs movement times and be most effective in PVP. It would add extra high ground advantage, as you could engage faster than the enemies attacking up the hill and making good decisions about where to engage an enemy could limit their ability to run away.

However for industrial players it would probably be annoying, so perhaps the effect could be much less pronounced on robots with wheels/catterpillar tracks than those with legs?

Anyway just a thought, curious to see what other people think. Obviously it could be a huge technical challenge to implement and therefore not be worth the time.