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Invasion is a mission type that allows players to team up together with the Corpus or the Grineer to work against the opposing factions, as a faction invades a specific mission node. It was first introduced in The Gradivus Dilemma and officially added to the game in Update 11.3. The Infested also are able to invade, although players cannot side with them.



Invasion Missions are essentially a modified version of Exterminate where players are ordered to clear out the level of an enemy faction, depending on who the player chooses to side with.

During the mission the player is aided by the faction they sided with (i.e. siding with the Grineer will give you Elite Lancers and Heavy Gunners, among others) as they attack the enemy.

Any ongoing invasions are listed in the menu UI, just below the Alert section. Both sides offer payment for supporting them in contested locations. Selecting a conflict location will present a choice of sides and their respective battle pay, ranging from large Credit sums, to rare Blueprints and Resources.

You will need to commit to a single side to earn battle pay by completing 5 missions, with switching sides eroding your rating with the opposition and denying players either reward.

The attacking faction is represented on the left, with a percent of capture. The faction being attacked is represented on the right. Once it reaches 100% for the attacking faction, that faction will now control the level, replacing the enemies of that level with their type. Once it reaches 0% however, the attacking faction will be beaten back and it will remain the same. It will be marked either [DEFENDED] if the staying faction survived, and [CONQUERED] if the attacking faction won.

Corpus and Grineer invasions feature only the Exterminate mission mode, while Infested have Exterminate, Defense, Survival, Mobile Defense, and Assassination missions.

Being invaded by The Stalker, The Gustrag Three or the Harvester will result in allied NPCs aiding the player against them, even if they are of the same faction - IE, the Grineer will attack the Gustrag Three, and the Corpus will attack the Harvester. More than likely because the Grustrag Three are hostile even towards other Grineer and Alad V's experiments are shunned/exiled by Corpus.

Infestation OutbreaksEdit


Infested missions were cleared from their solar map locations with Update 11.3 and replaced with Operations using the Invasion mission mechanic. During which, the faction being invaded will assist you in dealing with the Infested threat. Unlike standard Invasions, the threshold for rewards is completing 3 battles instead of 5. Infestations also spread between nodes much faster than Grineer or Corpus invasions, and can often see an entire system covered with Infested missions.

Infested Invasions will always inherit node mission type if the pre-existing node was Exterminate, Defense, Mobile Defense, or Survival. If the node being Infested was not one of those, game will decide randomly out of those 4. Assassination mission types use Phorid as the assassination target.

Tile SetsEdit

Corpus hologram

A hologram found on the Corpus ship showing the targeted asteroid base and 2 Grineer support ships reinforcing the base.

Invasions on Corpus Ship and Grineer Galleon tilesets feature unique map tiles that connect the two opposing vessels of each side, serving as a transitional tile from one map tile into the other, i.e. changing from Grineer Galleon to Corpus Ship and vice versa. Each invasion node has its own variant of these connecting tiles, which does not change for missions performed on that tile until the invasion ends.

Variant A features a large asteroid mining base connecting the two ships, with plenty of open space and side paths for large engagements. This tile features an energy field that blocks the main path that must be dispelled by hacking a nearby control console. Alternately, there are hidden paths accessible only by parkour that allows players to bypass the field completely.

Variant B features a direct connection between vessels by a Grineer boarding tunnel, leading to a heavily damaged Corpus room.

Variant C is encountered when siding with the Corpus on certain invasions, which features an access tunnel that periodically pulses with energy that can damage player shields. This tunnel exits into the outside of the Corpus Ship that is exposed to space, draining player shields the longer they stay. This then leads to a large glowing portal which transports the players directly into the barracks complex of the opposing Grineer Galleon.

Finally, Variant D is encountered on the same nodes as Variant C, but when siding with Grineer instead, involving a large room with massive cannons firing boarding pods. Players can board an empty pod and initiate the launch sequence by activating the control console inside; this closes the pod, which after a few seconds is fired directly at the opposing Corpus Ship. After the transition, players can exit the pod into the Corpus Ship via a breach made on its hull.

Note that both Variant C and Variant D prevent backtracking by players into their starting location once they've transitioned.

The Gradivus Dilemma featured an additional variant featuring an asteroid cave connecting the two ships, which has yet to be implemented in standard invasion missions.

Infestation outbreaks on Corpus Ships also feature a unique transitional tile, which takes place on a large shuttlebay with an equally large glowing portal at the end, that transports players into another ship. These missions also feature a unique starting tile, which holds a secret room inside an elevator shaft.


Once a victor for a node has been decided, the player will receive their reward in the inbox regardless who won the node. However, the player will attract the attention of either the Zanuka Hunter or The Grustrag Three depending on who he or she sided with (The Zanuka Hunter will attack players who supported the Grineer and vice versa) and may be ambushed during their next mission. Players may also get the Stalker's attention by defeating Phorid.


  • The mission type was officially announced in Livestream 16Livestream 17 mentioned the possibility of the Invasion gametype returning, but as alert-only as opposed to replacing a pre existing game type.
  • Large credit sums up to Credits64‍200,000 were awarded during the Dilemma, more than ever offered in the history of Warframe for a single game. (in this case a whole mission).
  • As of Update 11.6.0, factions now have momentum giving the leading faction a periodically increasing score. This was added to avoid faction stalemates and allow the invasion system to move to different locations.
  • Barring Infestation Outbreaks, fires are guaranteed to occur in any given invasion.
  • Grineer and Corpus invasions are also called Corpus Siege and Grineer Offensive missions respectively.
  • Completing more than the required missions (6/3 for Infested or 10/5 for Corpus/Grineer) does NOT double the battle pay.  E.g. if the battle pay is 1 Orokin Cell, completing 6/3 missions will still only reward 1 Orokin Cell not 2.


  • If Phorid invades, it will list Phorid as the 'Faction', not the 'Target'. It is also called Phorid Manifestation.
  • As players cannot side with the Infested, nodes cannot be [CONQUERED] on Infestation Outbreaks.
  • The diorama for Corpus invasions contains a graphical error; Flux Rifles can be seen firing as if they were Deras.
  • If the player is playing an unaffected node on a planet that is under siege, the invading enemy can appear in the mission. This does not affect the goal of the mission.


  • The Grineer Breach Pod tile is prone to bugs due to moving parts, especially when playing as a group, most likely due to syncronisation errors. Often the players' pod won't load into the launcher. There is no discernable player-made cause for this.
  • Invasions as of Update 14 appear to use the Orokin Void resource drop table, resulting in missions dropping Alloy Plates, Rubedo, Control Modules and Argon Crystals no matter which planet the Invasion takes place in. As of Update 14.7.4, Phorid no longer drops Argon Crystals. He instead will drop Orokin Cells.

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