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—An Infiltrator "borrowing" useful tech

The Infiltrator is the espionage infantry of the Epsilon Army.

Official description

The Infiltrators are Epsilon's agents of espionage and intelligence gathering, slipping through enemy ranks, "borrowing" important technology, stealing money, or sabotaging facilities. Much like their Allied and Soviet cousins, the Infiltrator can disguise himself as an enemy soldier in order to sneak into guarded buildings. What sets an Infiltrator apart from the rest though, is their ability to covertly destroy bridges, allowing them to limit an enemy's movement on the battlefield.[1]


Serving as the Epsilon main espionage, the Infiltrator's main purpose is to infiltrate enemy bases providing substantial benefits. Like other espionage units, they can disguise themselves to what infantry the proselyte needs in order to slip past enemy lines. However, Attack Dogs, rogue Spooks and other units that can see through the disguise and automatically hunt Infiltrators down, making them a threat that should not be ignored. Therefore the proselyte should use Drillers or the Shadow Ring support power in order to make such issues obsolete.

As with other espionage infantries, the Infiltrator can enter an enemy building but the effects will vary depending on the building:

AI behavior

The AI is notorious for building Infiltrators as early as building a Barracks.

Infiltrators controlled by the AI have the following attack patterns:

All difficulties

  • 1x infiltrating power plants (except Nuclear Reactor) or ore refineries
    • The AI may use Shadow Ring on this strike force (Hard AI only)


  • 1x infiltrating barracks or war factories
    • The AI may use Shadow Ring on this strike force (Hard AI only)


  • 1x infiltrating offensive superweapons (including Fake Psychic Dominator), radar structures, Field Bureaus or Harbinger Towers
    • The AI may use Shadow Ring on this strike force


Our Infiltrators can disguise as enemy infantry and enter enemy structures. Additionally, they can set C4s on bridges to destroy them, which you might find useful.
—Epsilon intel during Operation: Think Different

In the campaign, Infiltrators are never trainable from the player's Barracks, while the enemy can train them normally. It's possible to gain access to an indefinite amount of them via mind control or abduction with Drakuv Prison Vehicles, but sending them to a Field Bureau will not unlock them for production. In addition, they are prohibited from infiltrating labs and Construction Yards in the campaign, unless if that's a mission objective.

Act One

  • The first three Infiltrators appear in Think Different among the initial task force, and the player can use them freely.
  • In Moonlight, 3 Infiltrators will arrive with the main reinforcements, and the player can use them freely.

Act Two

At the beginning of the mission, two Infiltrators (one on Mental difficulty), disguised as European Alliance GIs, are smuggled into a Latin Confederation prison. Secretly carrying the Terranova virus, they are tasked with infiltrating the Confederation's Cloning Vats, at which point they'll malfunction and spawn Rahn alongside an endless horde of Brutes.

Once the Epsilon base is recaptured from the Russians, three Infiltrators will paradrop into the base. The player is instructed to use them to shut down power, but this is not mandatory.

  • See: Memory Dealer

  • Four Infiltrators are present in PsiCorps base, and the player can use them freely after reaching the base.

  • See: Divergence

  • At the beginning of the mission, there are two Infiltrators present in the western outpost that might be used freely.

  • See: Lizard Brain

  • Once the initial task force finds their route blocked by Battle Bunkers, Sensor Towers, Hammer Defenses and Iron Guards, two Infiltrators will be delivered via Driller and are tasked with infiltrating one of the nearby Tesla Reactors to shut them down. Once the power is cut off, the enemy will promptly sell off said Battle Bunkers, Sensor Towers, Hammer Defenses and Iron Guards.

  • See: Machinehead

  • Infiltrators will be sent once the landing zone in the inner Scorpion Cell base is cleared.

  • See: Obsidian Sands

  • Infiltrators are among an enemy infantry army. The player is also instructed to find, capture and use them to delay the Psychic Dominator's timer by shutting down the enemy's power, but this is not mandatory.

  • See: Meltdown

  • If the player sends Krukov's troops to try to take a shortcut through a bridge and directly attack the Spatha Defenses on the central heights, an Infiltrator come through a Driller to pop up and blow up the bridge. The player cannot prevent the bridge from blowing up by any means (both the Driller and Infiltrator are invincible and immune to any negative effects, and the Engineer cannot defuse the bomb). It should be pointed out that the bomb will also blow up the Bridge Repair Hut, thus completely blocking the possibility of the player repairing the bridge. This is also the only case where the Invincible Bridge Repair Hut can be destroyed in the entire game.

  • See: Fatal Impact

  • Three Infiltrators play an important role in this mission. In the Stage IV, they will arrive at the base in the upper right corner of the map some time after the base is handed over to the Proselyte, with several Repulsors and Hijackers. They will need to infiltrate three enemy Allied Construction Yards (two on Casual difficulty, as one of the Infiltrators will have it done automatically) so these Construction Yards can be packed into MCVs and teleported inside the Paradox Engine, into the "Pocket Dimension" where they are located. In the Stage V of the mission, they need to infiltrate 3 Paradox Conductors in order to disable the Paradox Engine's weapon system. They also have the ability to protect themselves by deploying 1 Shadow Ring, hiding in specific containers. Other actions they can do are placing bombs in cryogenic tanks to distract the Robot Tanks, and adjusting Warp Circuits and Control Panels to unlock access and export necessary data.

  • See: Babel

  • Special Ops

    4 Infiltrators can be used to delay Latin Confederation's progress of contacting their headquarters, though it's optional.

    The initial task force includes three Infiltrators who must be escorted to the nearby Chinese Field Bureau. After this is successful, the Field Bureau must be defended for 8 minutes as the Infiltrator prepares a sedative inside it; afterwards, he will leave the Field Bureau and become controllable again.

  • See: Blood Rage

  • As soon as Malver approaches the Mine Shaft, six Infiltrators (four on Mental difficulty) will fall under the players control. They can be used freely.

  • See: Survivors

  • Cooperative

    2 Infiltrators are dispatched to shut down enemy's power, but this is not mandatory.

    Each player will receive 6 Infiltrators to freely use.

  • See: Mind Over Matter

  • Each player will receive 4 Infiltrators to freely use.

  • See: Research Stroke

  • Each player will receive 3 Infiltrators to freely use.

  • See: Neuromancers

  • Once proselytes destroy all Lightning Rods, the 1st player will get 2 Infiltrators. They're tasked with infiltrating the Supercharged Paradox Battery so that Yuri could learn more about the Paradox Engine. After the Battery has been infiltrated, Proselytes will be required to destroy it.

  • See: Backbitten

  • Assessment

    • Can disguise himself as an enemy infantry unit and infiltrate enemy buildings, giving an advantage over the enemy.
    • A successful infiltration into the enemy's tech lab can unlock stolen tech units, and potentially change the game's outcome.
    • With assistance of Driller APCs, Infiltrators can reach enemy bases safely and faster, bypassing enemy forces easily.
    • Can blow up a bridge if there is a Bridge Repair Hut beside.


    • The ability of the Infiltrators to blow up bridges seems to be inspired from the unit's old cameo in version 2.0, where the Infiltrator is seen wielding a C4 charge. Yet ironically enough, the latter cannot actually destroy bridges.
      • The Infiltrator's cameo in version 2.0 and its current SHP sprite is reused from the Psi Commando in the vanilla Red Alert 2.
    • The Infiltrator's death sounds are from the Saboteur in Tiberium Wars.

    See also