- Trench Decay how to build: pick a class, match weapons to your role, and scale gear by campaign phase
- Class choice first: Rifleman, Assault, Medic, Support, Engineer, and Scout each fill distinct squad roles
- Weapon priority: spend early credits on a solid Assault Rifle or SMG, never cosmetics
- Gas survival: gas is the campaign clock — build around mobility and a mask
- Team synergy: a balanced squad outperforms any solo-focused build
How to Build Your First Trench Decay Loadout
Building in Trench Decay starts with one decision: your class role. Every weapon and utility pick flows from whether you hold the line, push trenches, heal, suppress, fortify, or scout. Before spending a single credit, watch the official trailer to see the frontline loop in action.
Video Highlights:
- See the trench-hold gameplay loop the class system is built around
- Gas pushes and wave pressure shown in real matches
- Squad coordination examples you can mirror in your own builds
The core loop is simple: gear up before deploying, hold the trench against waves, and extract your loot alive. A build that ignores any of those three stages will fail — pure damage builds die to gas, pure tank builds run out of ammo, and greedy looters never reach extraction.
Your build must answer three questions: Can it kill waves efficiently? Can it survive a gas surge? Can it reach extraction on time? If any answer is "no," rebuild.
Class Roles & Recommended Loadouts
Each class brings a distinct weapon profile and utility kit, and the best loadout changes as the campaign escalates from open trench fights to last-stand defense.
| Class | Role | Primary Weapon | Key Utility | Best Phase |
|---|---|---|---|---|
| Rifleman | All-round line holder | Bolt rifle | Ammo pouch + sandbag kit | Early–mid campaign |
| Assault / Raider | Close-quarters pusher | Trench shotgun | Grenades + smoke | Mid–late assaults |
| Medic | Sustain and revival | Carbine | Medical bag + stims | All phases, critical in gas pushes |
| Support / Gunner | Suppression, resupply | LMG | Ammo crate + tripod | Late defense waves |
| Engineer | Fortification, explosives | Trench carbine | Toolbox + satchel charges | Objective defense chapters |
| Scout / Marksman | Long-range pickoff | Scoped rifle | Flare gun + binoculars | Early campaign, open maps |
| Class | Survivability | Damage | Team Value | Solo Friendliness |
|---|---|---|---|---|
| Rifleman | ★★★★ | ★★★ | ★★★ | ★★★★★ |
| Assault | ★★★ | ★★★★★ | ★★★ | ★★★★ |
| Medic | ★★★ | ★★ | ★★★★★ | ★★★ |
| Support | ★★★ | ★★★★ | ★★★★ | ★★★ |
| Engineer | ★★★★ | ★★★ | ★★★★ | ★★★ |
| Scout | ★★ | ★★★★ | ★★★ | ★★★★ |
Solo / New Players
- Rifleman for reliability and ammo efficiency
- Works in every campaign phase
- Cheapest effective loadout to field
Aggressive Players
- Assault with trench shotgun and smoke
- Smoke crosses no-man's-land, clear dugouts close-range
- Pairs best with a Medic teammate
Team Players
- Support or Medic multiply squad survival
- Ammo crates refill the whole team during lulls
- Highest win-rate contribution per credit spent
Don't spend everything on cosmetics before weapons. Early weapon upgrades make your first runs far smoother — looks don't stop gas.
Weapon Picks for Your Build
Weapons should match your assigned firing lane and campaign stage. Use this ranking to plan purchases before committing hard-earned credits.
| Tier | Weapon Type | Why It Fits the Build |
|---|---|---|
| S | Heavy shotgun | Deletes anything at trench chokepoints and breach defense |
| S | LMG / high-capacity automatic | Holds lanes solo during heavy waves without reloading |
| A | Assault rifle | All-rounder; the safest first major upgrade |
| A | SMG | Mobility and flanking for runners and looters |
| A | Scoped rifle / DMR | Picks off priority targets before they reach the trench |
| B | Semi-auto rifle | Budget ranged option while saving credits |
| B | Revolver | Acceptable backup sidearm early |
| C | Starter pistol | First run only — replace immediately |
| C | Melee trench tools | Ammo-saving finisher, not a combat plan |
Redeem active codes for free currency, buy an Assault Rifle or SMG as your first real purchase, then add basic armor. That single upgrade carries you through Chapters 1–3.
Step-by-Step Build Process
Choose your class role
Decide what your squad needs most — a line holder, a pusher, a medic, or a support gunner. If solo queueing, default to Rifleman for flexibility.
Fund your first build
Redeem active codes from the official Trench Decay channels for free credits, then spend them on a primary weapon and basic armor — nothing else.
Assign firing lanes
Give each player a lane (left trench, center, right flank) rather than a fixed spot. Lanes keep coverage intact when someone falls back or revives.
Scale with the campaign
Mid campaign, upgrade to S/A-tier weapons and add utility (ammo crates, medical bags, barbed wire). Late campaign, stack Engineer fortifications at chokepoints.
Build for extraction
Keep the extraction corridor barricaded from the start of each run and never loot deeper than the gas timer allows. Your build includes an exit plan.
The DUAL update changed weapon balance and map routes. Verify your favorite gun's current stats in-game before a serious run, and walk reworked maps once at low difficulty.
Build Checklist & Campaign Scaling
Match your build to the chapter you're facing — the campaign escalates from light infantry to endless final-stand waves.
| Chapter | Threat Profile | Build Adjustment |
|---|---|---|
| 1 — First Deployment | Light raiders, slow spawns | Basics only; learn trench funnels, save grenades |
| 2 — Forward Line | Armored specialists appear | Add a Scout or DMR pick to drop specialists early |
| 3 — No Man's Land | Open charges, flank parties | Barbed wire on side trenches; mobile SMG builds shine |
| 4 — Strongpoint | Shielded and heavy siege units | Stack LMG + Engineer at the choke; Medic in rear dugout |
| 5 — Breakthrough | Shock waves hit extraction routes | Barricade the corridor; rotate fresh defenders each wave |
| 6 — Final Stand | Overwhelming endless waves | Pre-stack ammo crates, circular overlapping fire lanes |
Before Your Next Deployment:
- Class chosen to fill a squad role
- Primary weapon upgraded past starter tier
- Firing lane assigned to every squad member
- Gas timer route mapped to extraction
- Barricades and wire placed on flank routes
Gas advances in timed surges with warning windows. Retreat right as a surge starts — retreating early wastes loot time, retreating late costs the run. Learn each sector's safe dugouts in low-risk runs.
FAQ
Q: What is the best build for beginners learning how to build in Trench Decay?
Start with Rifleman: a bolt rifle, revolver sidearm, and ammo pouch. It is ammo-efficient, cheap to field, and effective in every campaign phase, letting you learn the trench loop without a punishing playstyle.
Q: Can I run a solo-focused build?
Yes — Rifleman or Scout work well solo thanks to range and self-sufficiency. However, Trench Decay is built around squad play; a solo build should still carry mobility tools so you can reach extraction without relying on teammates.
Q: How did the DUAL update change builds?
The DUAL update added new weapons that compete with older top-tier guns, reworked trench lines and extraction routes, and rebalanced damage and fire rates. Recheck your gun's stats in-game and test the new arsenal before a serious run.
Q: Should I spend credits on armor or weapons first?
Weapons first. A decent primary like an Assault Rifle or SMG has more impact on early runs than armor. Add basic armor second, and never spend heavily on cosmetics before your combat kit is complete.