This is the easiest objective since you can run through the entire map and almost never see an enemy. Briefcases: This is when the player must commit pseudo-speedrunning methods in order to acquire the cases as quickly as possible.You capture points while fending off swarms of enemies, which allows the enemies to surround you. DNA Samples: It involves you just killing the enemies that then drop a sample, which you then do until the criteria is complete.There's 24 stages and all of its objectives are the same 3 objectives: It can also be completed within three hours and aside from a few cosmetic options, there is no reward for beating it. The single-player mode itself is dull and repetitive, as you have to play the same types of missions on the same map again and again until the next map is unlocked, after which the cycle repeats.
When you aim down the sights, it switches to a first-person view, which can be disorienting. The camera is extremely close to your character when walking and shooting.