Found the problem: I was missing four files in the steam installation folder. I must have moved them or done something to corrupt them.
Best posts made by Irontristonia
RE: SupCom Crashing on Startup
posted in I need help •
What are the bonus objectives?
posted in I need help •
I've been playing through the Vanilla supcom campaigns, and particularly on the aeon campaign, I am seeing Bonus objectives that can't be revealed until I have completed them. Does anyone know a list of known bonus objectives by mission?