Iron Marines+: How to Beat Mission 10 Factory Attack With Dr. Graff

To beat Mission 10: Factory Attack in Iron Marines+, anchor narrow choke points using Dr. Graff's deployable turret, sustain mechanized units with his repair aura, and prioritize destroying enemy production hubs before pushing into the central chamber.

Positioning Dr. Graff and Managing His Abilities

Dr. Graff provides defensive utility and sustained field repairs without consuming extra Ether. His kit counters the heavy machine fire common in this mission when managed with correct positioning:

• Deployable Combat Turret: Place the turret at lane corners and choke points ahead of your main force. It acts as an auxiliary tank that draws initial enemy targeting away from your troops.
• Repair Auras and Shielding: Position Dr. Graff directly behind your frontline rather than sending him into direct melee combat. Keeping him in the center of your formation ensures his repair drones consistently restore damaged walkers and nearby defensive structures.
• Crowd Control Abilities: Save Graff's combat skills for elite mechanical enemies or sudden shock waves rather than wasting them on isolated scout units.

Early Base Defense and Ether Extraction

Factory Attack tests your early economy under immediate pressure. Stabilize your perimeter before moving outward:

1. Drop Graff's Turret Forward: Immediately deploy the turret at the primary entrance of your starting base to absorb the opening wave.
2. Claim Nearby Ether Nodes: Direct starting infantry to secure the closest Ether extractors to fund unit production.
3. Erect Perimeter Towers: Build ballistic or energy towers on the front base pads to cover lane approaches while your hero repositions.
4. Hold Position: Do not scout deep into unexplored territory until your starting defenses and resource income are established.

Squad Selection and Composition

Enemy forces in Factory Attack rely heavily on armor and shields. Combining mechanized frontliners with backline range allows you to maximize Dr. Graff's mechanical repair bonuses.

A squad built around armored walkers and snipers creates an effective siege formation. The walkers absorb damage under Graff's continuous repair field, while snipers take down fortified emplacements outside retaliation range.

Pushing Corridors and Clearing Production Hubs

The factory interior consists of multiple production corridors equipped with fabricators that continuously spawn reinforcements until destroyed.

1. Advance in Stages: Move Dr. Graff forward to plant a turret at the entrance of an assembly corridor.
2. Form a Firing Line: Move walkers into the corridor to block incoming units, setting snipers directly behind them.
3. Prioritize Fabricators: Direct all available fire onto the enemy manufacturing structures immediately. Leaving them operational leads to continuous unit spawns that wear down your squad.
4. Guard Your Flanks: Watch for secondary ramps and vents where fast hostile squads try to circle behind your line. Leave a stationary tower or responsive unit near your rear extractors to prevent sudden resource losses.

Defending Against the Final Counter-Assault

Approaching the central control core triggers high-density enemy waves consisting of heavy shock units and combat droids.

• Fortify the Objective Entrance: Construct high-tier defensive towers on the platform pads directly outside the central chamber before triggering the final event.
• Anchor Near Base Towers: Keep Dr. Graff adjacent to these forward defenses so his repair aura supports both towers and frontline walkers during sustained bombardment.
• Rotate Damaged Units: Pull heavily damaged walkers back into Graff's inner repair radius while his turret absorbs enemy aggression.
• Target Backline Artillery: Command snipers to focus elite enemy commanders and artillery units first, allowing your frontline to hold the line until all waves are cleared.