The Strogg assault class can choose powerful heavy weapons such as the Hyperblaster fast-firing assault weapon and Obliterator Bosonic Orb weapon. He carries a large number of Shrap grenades and the explosive Plasma Charge.

Specialty
- Combat and demolition

Objective
- Destroy

Weapons
- Lacerator, Obliterator, Hyperblaster, Nailgun

Equipment
- Plasma Charge, Obliterator

The Strogg's fire support expert can call in artillery deployables such as the Plasma Mortar, Rail Howitzer and Orbital Laser, and can direct their fire against enemy targets. He also carries the rapid-firing Lacerator.

Specialty
- Artillery support and ammo re-supply

Weapons
- Lacerator

Equipment
- Artillery Deploy tool, Tactical Shield, Violator Beacon, The Targeting Tool

Deployables
- Rail Howitzer, Plasma Mortar, Dark Matter Cannon

The Strogg engineering expert constructs and repairs dynamic objectives and deploys anti-personnel and anti-vehicle turrets. He can choose from one of two support weapons; the Nailgun, or a modified Lacerator with built-in Grenade Launcher. He carries a number of Proximity Mines and the Repair Drone.

Specialty
- Construct and defend

Objective
- Construct
- Defuse enemy HE Charges

Weapons
- Lacerator, Nailgun

Equipment
- Repair Drone, Deploy Tool, GravMine

Deployables
- Anti-Personnel Turret, Anti-Vehicle Turret, Artillery Interceptor Turret

The Infiltrator is a stealthy backstabber and saboteur. The Infiltrator can possess fallen GDF players, initially stunning them with his Bio-Electric Pinch Bomb, and then use their corpse as a disguise and infiltrate GDF bases. He can choose the Railgun, used for Long-Distance Sniping, or a modified Lacerator with increased accuracy. He also carries a remote Drone, which can be used to spy on the enemy.

Specialty
- Sniper, Disguise and Hacker

Objective
- Hacking

Weapons
- Scoped Lacerato, Railgun

Equipment
- Scrambler Grenade, Hacking Tool, Deploy Tool, Flyer Drone, Teleporter

Deployables
- PSI-Radar

The Technician keeps his team mates alive and shooting by replenishing their Stroyent supplies, giving them both health and ammunition in one fix. The Technician can deploy Forcefield emitters, providing cover for his team mates on the front line. He can also create Spawn hosts out of fallen GDF troops, allowing a Strogg reinforcement to spawn right at the battlefront. The Technician carries a standard Lacerator.

Specialty
- Heal and revive

Weapons
- Lacerator, Nailgun

Equipment
- Stroyent Cells, Stroyent Tool