Mining productivity is extremely good. Come up with other infinite research that is equally good.
There is only one choice in super late game, mining prod.
It is so damn good, because it gives 2 benefit: Save ups and Save player time.
And it is widely agreed these 2 are most valuable resources in super late game.
New infinite research hopefully save ups or player time, so it can compete with mining prod research.
So player needs to make a decision in super late game.
list of suggestion from viewtopic.php?f=5&t=93333 (and why)
1. toolbelt: increase 2~5 inventory slot per research (save player time) 2. radar scanning range (
- mod: Big Brother
i only list out researches that "make sense" for infinite levels of researches. (imagine after 50 levels of research, will it become absurd?)
Others suggestion not in the list can be found here: viewtopic.php?f=5&t=93333