To do the Surge Speedrun you’ll want to be on insane difficulty. Below off top of my head are the mutators you need to enable.
- More Filler Enemies
- More Drones
- More Health
- More Pouncers
- Ironman
In my newer video https://youtu.be/d2adLMhVHug I go over why and how to beat the speedrun. For a more in depth written guide take a look at this. GearsIncite.Com
