Ah, I can see that causing an issue.
To give more of an guide the goal is to capture the crystal and then guide it back through the portal to the delivery device. We probably should have explained that better in-game. Learning how to teach the player was easily one of my biggest struggle post jam I definitely want to add more to the game so I will do my best to solve your issue!
The GameDev.tv Game Jam 2023 - Free Course For All Submissions! » Entries » Operation: Fungal Invasion