I've only seen the pred eat one other student, otherwise, even if the student is in the direct path, they will ignore, and ignore them after getting eaten.
Kind of wish there was a buffet mode to see how big they get
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yeah other students are only targeted when the pred is hungry.
I can't make a buffet mode but I can add more students. That way you will find them more often when being chased and can run behind them so they get eaten instead. You will know when the pred is at their limit when they do not chase you when you are seen.