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Trench Decay: Campaigns and Encounters
Read local campaign progression, shared Major Orders, difficulty rewards, and the encounter that stopped your squad. Chapters and bunker routes are local run decisions; the world map belongs to the war across servers. Boss and challenge guides cover Jaeger, The Keep, and the Iron Maiden mask as distinct tasks.
Campaigns and EncountersFind the encounter or system you need
Find the encounter or system you need
If later enemies feel tougher, begin with campaign chapters. If the goal is the wider war, read Major Orders or the map distinction. If the squad is in The Ossuary, the Jaeger article gives attack and positioning help. Iron Maiden describes the mask challenge and hosted reward condition, rather than another boss.
Difficulty multipliers apply to dogtags, while successful extraction remains a separate earning condition. A boss article explains the encounter rather than predicting a universal reward rate. Use the specific page for the fight or decision in front of the squad, then return to broader progression afterward.
Choose the question you want answered
Choose progression help, a boss fight, or a mask challenge.
Campaigns and Chapter Progression
Read campaign chapters and bunker choices as separate progression decisions.
Read guideJaeger Boss Guide
Give the targeted player room and use the boss's reload windows.
Read guideIron Maiden Challenge Guide
Separate obtaining the challenge mask from earning its Gold Maiden reward.
Read guideCampaigns and Encounters articles
Understand chapter progression and shared orders, then get help with difficulties, Jaeger, The Keep, and the Iron Maiden challenge.
Guide
Trench Decay: Campaigns and Chapter Progression
Understand chapter scaling, bunker route votes, faction symbols, and gas hazards before confusing your campaign with the shared world war.
Guide
Trench Decay: Defense Mode and Kit Differences
Review historical Defense variants, distinguish preset class kits from custom Inventory, and prepare around the live session's objective.
Guide
Trench Decay: Difficulties and Reward Multipliers
Compare Enlisted, Private, and Lieutenant dogtag multipliers, understand modifier differences, and choose a difficulty you can extract from.
Guide
Trench Decay: Enemies and Campaign Threats
Recognize enemy groups, understand New Order alert states and gas hazards, and account for tougher targets in later chapters.
Guide
Trench Decay: Iron Maiden Challenge Guide
Find the Iron Maiden mask, prepare for its one-HP restrictions, and understand the hosted Major Objective condition for Gold Maiden.
Guide
Trench Decay: Jaeger Boss Guide
Handle Jaeger's focused target, twin guns, destructible charge, and close attacks, then use headshots and reload windows in The Ossuary.
Guide
Trench Decay: Major Orders and the Shared War
Understand cross-server Major Orders, separate the shared war from local campaigns, and plan rewards around the active objective.
Guide
Trench Decay: The Keep Campaign Guide
Understand The Keep's door, valve, and holding objectives, then prepare for the severe-threat fort associated with Commissar Cerebus.
Guide
Trench Decay: World Map and Campaign Map
Distinguish the live cross-server world map from your local campaign route, then use the right system for the objective you want.
Learn the route before raising the stakes
Use the campaign overview for chapter scaling, bunker choices, and hazards.