Arc Raiders tips for playing solo?

Solo is its own queue, so you're mostly up against other solos. Use proximity chat. Saying you're friendly before someone sees you works more often than you'd expect, and it's free.

play slow. most of my solo deaths came from walking into a fight that was already going. sound gives everyone away, so crouch near loot spots and listen before you open anything. bring a cheap loadout while you're learning the maps so losing it doesn't sting, and extract early instead of trying to fill every slot.