"Survivor mode" refers to a state of thought and action where a person focuses on persisting through difficult or challenging circumstances, often by utilizing their strength, resilience, and resourcefulness to overcome obstacles. Full definition
When I heard about Survivor mode in the sequel, I knew I had to have it. (blog.us.playstation.com)
In addition to the thrilling single - player campaign and all new survivor mode, the game offers action - packed, online two - player co-operative battle modes. (xblafans.com)
The exception to this is Survivor mode which supports up to 4 Marine players. (blogs.sega.com)