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  • Basic
  • With Blue Tiberium Core

GDI offense Class


All-terrain superheavy assault walker


Tusk artillery battery
Dual missile launchers



Hit points


Armour type



12 CP

Build time


Produced by

GDI Offense Crawler


Rank 20 (General)

Ground attack


Air attack




Attack range


Sight range



Dispersion bays
Backup systems


Depth Charge Emergency Ejection System

Bureaucratic doves, 'bout damn time!
- Havoc's alleged response to production of the Mastodon at the reopened San Pedro war factory in 2069, [1]
CNC4 Mastodon Cameo

The AW-12 Mastodon is a large GDI Offense quadrupedal walker appearing in Tiberian Twilight as an evolution of the Mammoth Mk. II walker as a base assault platform.[1]


Main article: AW-12 Mastodon/Profile

The Mastodon eschews its predecessor's large experimental railguns for a powerful, but also less expensive, chin-mounted "Tusk" artillery battery. The battery can fire four sonic shells in rapid succession to destroy targets in its line of fire, achieving a similar effect to the railguns.[1][2] The reduced cost allows multiple Mastodons to be deployed simultaneously in a given area. Groups of Mastodons are referred to as "herds".[1] The Mastodon's legs are also armored against charges' flechette shrapnel.

Secondary armament consists of a pair of anti-surface/anti-air missile launchers and the Depth Charge Emergency Ejection System. The Depth Charge system dropped explosive charges from the walker's flanks to repel close-quarter assaults, compensating for the artillery battery's forward-only firing arc. The "Depth Charge" system was a later development and were still being retrofitted to older production units at the time of the Fourth Tiberium War.[1]

The Mastodon Backup System is a Nod-derived nanotech repair module. The module activates after the walker suffers catastrophic system failure and slowly repairs the vehicle; the module can bring a Mastodon back online if an engineer is unavailable.[1]


What? Return fire!!
- Mastodon operator, Tiberian Twilight

Although the Mammoth Mk. II walker was decommissioned after the Second Tiberium War, support for the concept survived and was reinforced by the Third Tiberium War. Despite considerations of future Scrin invasion funding was not available to revive the walker. The debate reignited with increased military funding once construction of the Tiberium Control Network was well under way. The GDI Council of Directors ended the heated argument between the generals; it authorized the production of both a new Mammoth tank and a next-generation Mammoth walker to cover anti-Scrin contingencies.[1]

A redesign of the Mammoth Mk. II resulted in the Mastodon. Improved technology made the Mastodon significantly less expensive to deploy than the Mammoth Mk. II. Some of the these improvements were based on innovations Kane derived from the Tacitus. The first Mastodon emerged from the renovated San Pedro war factory in 2069, the same factory where the last Mammoth Mk. II had emerged 30 years earlier.[1]

Early abortive Mastodon prototypes were created before the 2062 alliance at the El Paso base in Central America. They saw combat when Nod invaded their base with prototype Widows and managed to push back the invaders.[3]

There are husks that can be found in these missions:

  • There are two husks in the mission "Transport Down" one near in the refueling station, guarded by visceroids and scrapbuses, then another one in the upper left before the TCN hub, thistime guarded by ironbacks and visceroids.
  • There is a husk before the refueling station, in the Nod mission "Things Fall Apart"
  • There are two husks, one downside left in the mission "Cold Hard Truth," the other up near the northern Nod deployment zone (the lower one is not present on hard difficulty).
  • Two husks can be found in "Lockdown" outside the facility on the eastern side.
  • There is a husk on the ridge just northwest of the starting point in "For All Humanity."

In-Game Unit

Virtually identical in appearance to the Mammoth Mk. II, the Mastodon lacks several components that would truly make it a twin to the Second Tiberium War leviathan. Aside from the Mammoth Mk. II's quadrupedal profile, the Mastodon is different in every other conceivable way.

At first glance, one would think that it is the Mammoth Mk. II reborn. But closer inspection will reveal that, unlike the Mammoth Mk. II, the Mastodon does not have the large side-mounted railgun pods. Instead, it has a set of large artillery mounted under the cockpit and multipurpose sonic missile launchers on the rear of the fuselage. However, this armament is not sufficient for taking on other vehicles of the same weight class, and is only useful to a certain proximity, beyond which they are rendered useless.

However, this disadvantage can be balanced with the addition of Dispersion Bays, with which small slots will be added to the outer hull. From these slots small explosives are automatically fired at units too close for the main armament to engage. These explosives do not detonate upon impact, but will detonate with deadly force. They are especially useful against infantry, although they are effective against light attack vehicles as well.

Another key feature that sets the Mastodon apart from the Mammoth Mk. II is that it can be upgraded with specialized Backup Systems. Once the Mastodon takes critical damage and is no longer able to function, the husk it leaves behind will very slowly start to repair itself. Provided the husk isn't captured or destroyed in the meantime, the Mastodon will continue to repair itself to full health, giving it a "second wind" and the ability to deal out even more damage with a surprise attack any inexperienced enemy would never expect.

When left idle, the Mastodon will crouch down on its forelegs like a dog.



  • Artillery platform operative.


  • Operating at full capacity.
  • Mastodon, fully armed.
  • Mastodon at the ready.
  • A pleasant day for an assault!
  • Awaiting plan.
  • Reactors, online.
  • All stations standing by.
  • Where are they hiding?


  • Turbines to full power.
  • Push forward.
  • Indeed.
  • Onward.
  • Precisely.
  • Acknowledged.
  • A sound order.
  • I concur.
  • Mastodon en route.
  • Immediately.


  • Crush them!
  • Put that one down!
  • Fire all weapons!
  • Give them a taste...
  • Flatten them!
  • Eliminate it!
  • Main turret!

Move to Attack

  • Weapons, get ready!
  • Gunners, to your post!
  • Pathetic scum!
  • Prepare to engage!
  • Fire on my command!
  • All targets shall be neutralized!


  • Mastodon has restored full power.
  • Mastodon reactivated!
  • Mastodon restored and ready.

In Combat

  • They don't stand a chance!
  • Elimination in progress.
  • Almost there...
  • Keep firing!
  • Finish them!
  • Every last one of them...

Taking Fire

  • We must quell this annoyance!
  • This little uprising won't go unnoticed!
  • What?! Return fire!
  • Let them do their worst!
  • Cocky little buggers, aren't they?
  • Mastodon is taking fire!


  • Altering assault plan.
  • Regroup at the Crawler!
  • Destroy anything that follows.


The Mastodon bears some similarities to its much less powerful cousin, the Striker. Both seem to be based on Star Wars machines; the Mastodon looks similar to the AT-AT (All Terrain Assault Transport) and the Striker bears several similarities to the AT-ST (All Terrain Scout Transport). As well as this, both have the stereotypical upperclass British voice, and both belong to the GDI Offense class.



  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 Nov. 2, 2009. Mastodon Profile. Electronic Arts. Nov. 2, 2009. Archived Link
  2. New Battlecast Primetime Interview
  3. Command & Conquer: Tiberian Twilight Mobile:. Los Angeles, California: EALA, 2010.
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