Description: This substrate is similar to Sterilization, but the species and the challenge are a bit different. The species is a Devorocyte-spitting swimmer. There are a lot more of them, and you can't use Devorocytes.

But you don't have to leave the plate with no cells to complete the challenge.
https://www.dropbox.com/s/6sf9z16vyabkp ... trate?dl=0
Objective (Very Difficult): Kill the species on the substrate.
Max cell inserted: 1
Cell types allowed: All except Flagellocytes and Devorocytes