itch.io

in the pop up upgrade, show the actual level  of the upgrade

ex : Click power (7) 

a multiple grass selection for upgrade them could help

Also , feel like an upgrade tab could be interesting ( like upgrade workers speed or grass growing speed , upgrade general value of grass , ... )

instead of replacing the shop menu with the upgrade one, maybe made a pop up window ( and a title to this menu could make it clearer

Very nice game.
Wish more level ...

Little improvement point : 

- maybe a way to unselect the actual energy without had to reset the whole room

-  require an input for activate the reset room cube.