The mode in one paragraph
Dedicated maps, escalating waves of Xenomorphs and other enemies, and increasingly valuable rewards the deeper you survive (DSOGaming). Official coverage tells you to bring stun batons, pyro and electric ammo (DSOGaming) — this hub tells you the rest.
Read these in order
Horde Mode Guide
How the mode works, wave doctrine, and when to bank rewards.
Horde Squad Builds
Three wave-defense comps built from sourced class data.
Threat Levels
The kill-priority ranking that decides deep waves.
Special Ammo
Pyro, electric, cryo — the officially documented horde tools.
Difficulty Levels
Limited ammo and friendly fire change Horde math.
Progression
Why Horde depth is a progression engine.
The three rules of deep waves
- Sirens first. Reinforcement calls end runs (G2A).
- Respect the ceiling. Exploders climb (G2A).
- Bank, don't greed. Rewards scale with depth (DSOGaming) — dying deeper pays worse than leaving alive.
Sources: DSOGaming — official feature coverage, G2A — Cold Iron enemy briefings.