ARC Raiders plunges you into a bleak future Earth where humanity has been forced underground after a catastrophic rise of unstoppable machines known as the ARCs. The surface, often called the “topside,” is now a war-zone of scavenging, extraction, and survival: the only hope for resources lies in daring excursions above ground.

The Underground Colony of Speranza & the Raiders
Below the dead earth lies Speranza, humanity's stronghold. In this hidden bastion, players assume the role of “Raiders” — mercenaries willing to venture into the hazardous topside, extract loot and salvage, and return to keep society alive. These Raiders face two major threats: the merciless ARC machines dominating the surface and other Raider teams hunting the same resources. This dual conflict (PvE vs Y PvP) is core to the game's world.
The ARC Machines: Enigma & Terror
The ARC machines are less “robots gone rogue” and more autonomous resource-collection and enforcement units that have been turned on humanity. According to developer commentary, the ARCs represent both a physical and thematic threat: they embody a futuristic nightmare of machines displacing humans, exploiting the planet, and turning survival into war. The precise origin remains mysterious — players on forums theorize about elite factions, off-world empires and hidden agendas.

The Stakes & Player Role
As a Raider, your mission isn't just to survive — it's to outperform others. Each mission into the topside is short (≈ 30 minutes) but consequential: you loot, fight the ARCs, compete with other Raiders, then extract back to Speranza. If you die, you lose your gear. Through this loop, you unravel layers of the world's condition — the decline of resources, the cost of war, the desperation beneath human survival — all while upgrading your character, equipment and base.
Why the Setting Matters
This backdrop isn't just wallpaper. The extraction loop (risk vs reward), the dynamic conflict (humans vs machines vs humans), and the hidden narratives (what caused the ARC uprising?) all converge to make the world of ARC Raiders meaningful. It invites players to engage not only in firefights, but in why they fight. With sparse but evocative lore, the game leans into immersion, consequence and atmosphere.