The short answer
There is no verified universal best build. The most dependable starting structure is a concentrated kill zone built around the route the orcs actually use: area damage at the front, reliable coverage behind it, and support fire aimed back into the same zone. Map shape, permanent upgrades, and the current patch can all change which turret deserves the next investment.
Use this page as a build framework, not as a promise that one fixed layout clears every stage.
Confirmed and disputed turret roles
Gunner is the confirmed first turret and has the strongest evidence as an early, general-purpose damage core. Gameplay footage shows early Gunner investment and later penetration upgrades. That makes it a sensible baseline while learning a map, but it does not prove that Gunner remains the strongest late-game option.
Flamethrower has a clearer positional job: place it near the front of a choke where a dense stream stays exposed to its burn. Current community material gives Tesla Coil, Mortar, Cannon, Laser, and possibly Grenade Launcher additional damage or support roles, but the collected sources disagree on the full six-or-seven-turret roster. Treat exact tier positions as To be confirmed.
Build 1: the learning setup
Start with the simplest repeatable plan:
- Run the stage once and watch the heaviest traffic.
- Put the first reliable damage coverage where routes bend or merge.
- Keep later coverage behind the first zone so survivors remain under fire.
- Use the manual rocket and unlocked active abilities when pressure breaks through.
- Recall and rebuild with R when the observed route disproves the original placement.
This setup favors information and recovery over a perfect first attempt. It is suitable for a new stage because it helps identify the real failure point before permanent resources are committed to a narrow plan.
Build 2: the choke-point setup
When the route compresses, lead with area damage and keep sustained fire behind it. Flamethrower belongs toward the front of the compressed stream; Gunner can cover enemies leaving the burn zone. Mortar or Cannon support should target the same packed area, with knockback directed back into useful coverage rather than away from it.
Do not spread every turret across every visible lane before combat reveals which lanes matter. A wide defense can leave each route underpowered. Concentrated overlapping fire is the better-supported principle, although exact tower counts, angles, and coordinates remain stage-specific.
Upgrade the build, not just one turret
Permanent upgrades should fix the reason the build failed. If enemies survive the main zone, improve the damage path that is already hitting them. If the defense works but takes too many attempts to afford the next tool, test an economy node. Penetration is a documented Gunner route and deserves testing against dense groups, but its exact multiplier and universal priority are not established.
Avoid investing everything because a recent tier list labels one turret S rank. Early reliability, late scaling, choke-point exposure, and upgrade level are different questions. A useful build records which stage, patch, and upgrade state produced the result.
Stage testing checklist
- Observe the real orc flow before committing the full defense.
- Mark bends, gates, bridges, and merge points that hold targets together.
- Give each turret a job: front area damage, rear coverage, or support.
- Aim knockback toward the kill zone.
- Move a failed position instead of defending the original guess.
- Change one variable between attempts so the result teaches you something.
- Recheck community builds after patches.
The wiki currently supports a role-based blueprint rather than a single solved build. Pixel-perfect layouts and universal tier rankings remain To be confirmed until they can be reproduced on the same game version.