Warhammer: End Times - Vermintide

To get the trophy you need to complete any one task on a difficult level. At the beginning, while you do not have good weapons and equipment, it will be easier to go alone with bots on the very first mission “Horn of Magna”. The main thing is to move quickly between waves of rats (during the wave, look for a place where it is easier to defend so that the enemies do not surround you) and try to stay close together. Avoid stormrats patrols (bypass them if possible), and also save bombs and ammunition for the rat-ogre. Don’t spare a first aid kit for your bot if he’s in really bad health (not to your detriment, of course), because bots react much better to enemies on this difficulty, including special rats (assassins, machine gunners, hunters, etc.). Try to destroy special enemies from afar and help bots in mass battles, but do not rush too far forward.
However, if you have a well-established company where everyone is leveling up their character both in terms of game features and loot, then this will not be difficult. Since at higher difficulties the bots will not “drag” you. Only tactical teamwork coupled with more or less good weapons and equipment.