A cash store helmet or something to give another source of toughness pre-floor ten? Maybe between mans and manimation that either adds another +x like Spite or a different multiplier? It becomes way easy to have toughness be the absolute limiting factor from RB 1-2 on to floor 10.
argh why don't we have a higher tier production for Fungus beyond Machinery? It is so much more apparent after the last update and it makes taking beetles such a liability since high level travel(5-6K+) becomes ridiculous.
Did something change in selecting current research? Before UI update and 4-5 days ago when I last logged in I could select by clicking on the item name/icon/banner to select research target. As of today in Firefox that no longer works.
You're right, it has a cooldown so there is no need for empty rewards.