ARC Raiders Event Timer — Live Map Rotation & Spawn Schedule

Darkness blankets the map, cutting visibility while tougher ARC and higher-tier loot spawn.

Best for: High-tier loot · Blueprints · Stealth ambushes

Loadout: Bring a flashlight/night-vision option and a quiet, stealth-leaning build.

Maps: All maps · Rotates hourly; can appear on any map.

Constant rain, thunder and lightning mask footsteps and gunfire while ARC activity climbs.

Best for: Loot-quality farming · Sentinel Firing Cores · Aggressive flanks

Loadout: Run a mobile kit and use the sound masking to push and reposition.

Maps: All maps · Rotates hourly; can appear on any map.

Violent hurricane weather adds deadly environmental hazards you have to manage mid-fight.

Best for: Loot-quality farming · Opportunistic PvP

Loadout: Plan routes around cover and shelter; avoid the open during peak weather.

Maps: All maps · Rotates hourly; permanent rotation modifier since the Feb 2026 Shrouded Sky update.

Power four rooftop antennas to open a hidden bunker packed with terminals, containers and blueprints.

Best for: Doubled weekly Trials · Blueprints · Bastion/Bombardier farming

Loadout: Bring firepower to clear well-guarded interiors, then hold for the data-download phase.

Maps: Spaceport · Rotates hourly; Spaceport-specific.

An emergency lockdown seals a high-value gate room; collect four key cards in-match to override it.

Best for: High-tier loot · Key-card objective runs

Loadout: Map an efficient route to all four cards, then push the gate room before rivals do.

Maps: The Blue Gate · Rotates hourly; primarily on The Blue Gate.

A hostile ARC army and giant Assessor probes arrive, raising loot quantity and dropping new-weapon blueprints.

Best for: Bulk loot · Assessor blueprints (Dolabra, Canto) · PvE farming

Loadout: Bring sustained anti-ARC firepower to down the Assessors.

Maps: Dam Battlegrounds, Spaceport, Buried City, The Blue Gate, Riven Tides · Rotates hourly; appears on every map except Stella Montis.

Spawns the Matriarch — an apex armored ARC boss with an exposed core — for chaotic multi-group PvE.

Best for: Boss/legendary blueprints · Aphelion drops

Loadout: Coordinate a group: tank plus precision damage on the core. Not a solo fight.

Maps: All maps · Rotates hourly as a minor condition.

A multi-phase puzzle ending in a Queen ARC boss that needs Fusion Cores and drops legendary blueprints.

Best for: Legendary blueprints · Boss loot

Loadout: Effectively impossible solo — bring a coordinated group.

Maps: All maps · Rotates hourly as a minor condition.

Extra ARC probes spawn with a position-revealing alarm — a targeted source of mechanical components.

Best for: Mechanical components

Loadout: Run an aggressive response kit to clear probes when the alarm flags you.

Maps: All maps · Rotates hourly; does not raise combat difficulty much.

Fruit trees and nature nodes yield double or triple their normal resources.

Best for: Nature/material farming · Low-risk runs

Loadout: Go light with free inventory space to haul the extra harvest.

Maps: All maps · Rotates hourly; low combat difficulty.

High-value loot appears atop the launch tower, gated behind powering it with batteries.

Best for: High-value equipment · Organized-group runs

Loadout: Scout an Industrial Battery first; this favors a coordinated group.

Maps: Spaceport · Rotates hourly; Spaceport-specific.

A Buried City condition that reshapes the area’s spawns and loot rhythm.

Best for: Buried City loot routes

Loadout: Run your normal Buried City route and lean into the changed spawns.

Maps: Buried City · Cycles on Buried City (roughly weekly per community trackers).

On Riven Tides, grab the Dockmaster’s Detector and sweep the seabed sand to uncover buried loot.

Best for: Buried/hidden loot · Riven Tides material runs

Loadout: Grab the Dockmaster’s Detector early and work the seabed with carry space.

Maps: Riven Tides · Rotates hourly; Riven Tides-exclusive (Patch 1.26.0).