Crossover content can be a touchy subject for some. On occasion, and in games specifically built around the idea, crossovers can be good fun - Final Fantasy 7's Cloud appearing in Smash Bros was great to see. But if Cloud Strife were to quickscope you in a round of Call of Duty, that may feel a little different.
With recent announcements from the Helldivers scene, the topic of appropriate crossovers has come up again. And, looking to settle things quickly, the developers have drawn a line in the sand - or more specifically, a line on an image made by a fan.
The original version of this image was posted to the Helldivers subreddit by u/lyndonguitar, who likely wasn't expecting an answer as direct as this.
Johan Pilestedt, the CCO for Arrowhead Games, is who we have to thank for making Master Chief sad (again). Imperial Guard fans rejoyce - you're on the table, but just barely.
Pilestedt went on to further specify what Arrowhead would and would not greenlight. Another image shows it all in plain text:
It's also worth noting that all selections left of the line are less recognizable - or at least, less iconic than...