This is a really fun and unique type of game and creates a very interesting set of problems for a player to solve. Do you block the plants? do you let them run wild and kill your Carbon? Do you intentionally use the machines to disrupt the plants and what's the best strategy to keep your O2 and Carbon level? There is a ton of depth for a Game Jam submission and it's fascinating (also the VFX is wonderful and the music is nice and soothing.)
Minus a few points for needing the player to repeatedly click the mouse (that got annoying quick), navigating the menu for the blocks was tedious and felt very inconsistent at times, and the background of the itch.io submission and the game made me click off the screen a few times accidentally which was a bit annoying. All of those are easy fixes though and with 72 hours, you can only do so much.
Great game!