2Fort Invasion

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2Fort Invasion
Ctf 2fort invasion.png
Basic Information
Map type: Capture the Flag
File name: ctf_2fort_invasion
Released: October 6, 2015 Patch
(Invasion Community Update)
Variants: Capture the Flag
Developer(s): Miguel "BANG!" Melara
The Ronin
Michael Egan
Aeon "Void" Bollig
Martin "Chaofanatic" Ellis
Ryan "Freeflow" Leitao
Harlen "UEAKCrash" Linke
James "Retro" Wright
Map Info
Environment: Farmland
Setting: Nighttime
Deep Water: Yes
Pyrovision Support: No
Map Items
Healthico.png Health Kits: Smallhealth.png ×2  •  Mediumhealth.png ×4
Ammoico.png Ammo Boxes: Smallammo.png ×2   •   Mediumammo.png ×4
Map Photos
Loading screen photos.
Map Overview
2Fort Invasion overview.png
Map Stamp
Item icon Map Stamp - 2Fort Invasion.png
Supporters Leaderboard
The aliens are taking over but the teams are too busy trying to figure out better ways to kill each other with alien artifacts.
Invasion Community Update

2Fort Invasion is a community-created Capture the Flag map. It is a version of 2Fort made for the Invasion Community Update.

Set at nighttime, the two bases have been converted into research labs studying alien technology.

  • Because of the alien biology research conducted in BLU's secret lab, the BLU buildings are a biological containment site. The posters in this building either refer to the study of alien biology or advertise the sponsors of radio KKBC.
  • With the scattered wrecks of alien saucers and walkers, the RED buildings depict the alien vs. mercenary battle zone. RED's secret lab is researching recovered alien technology, including portals and new guns. Most of the posters in this building are in the style of WWII era propaganda art.

Destroyed alien parts spawn around the map, which explodes when damaged, similar to Pumpkin bombs.


Note: If you are having trouble with finding the locations listed here, see the Helpful overview section to see their exact position marked on the map.

Outside locations

  • Bridge: The bridge connecting the two forts. The bridge is covered, allowing Scouts to double-jump, Demomen to sticky-jump and Soldiers to rocket jump from the top of the one battlement, run across the bridge roof, and then propel themselves onto the opposing Battlement. The roof also provides cover for advancing players and generally moves the map's action into the bases. Commonly, Scouts have no problem jumping onto the bridge but sometimes falter on the second jump to the opposing Battlement, landing short in front of one of the doors. The very edge of the bridge roof is bugged; if a Scout attempts to jump from the very edge, in terms of game mechanics, they will be "falling" and thus have only one jump to use, rather than two. Jumping a split-second earlier, using the Force-A-Nature to jump, or using the Atomizer is enough to remedy this problem. Scouts, Demomen, and Soldiers on the roof of the bridge are susceptible to Sniper fire, which limits the distance of jumps, providing another obstacle to attacking classes.
  • Entrance: After crossing the bridge, there are two ground entrances into the base. The "Entrance" extends from those two doorways into the base a short distance. From here, the layout of the entrance is a T-shape. Turning left brings the player to the stairs that lead down to the sewers, as well as the narrow corridor linking the Battlement Resupply room to both the entrance and the Courtyard (there is a trapdoor in the ceiling allowing players to drop down from the Resupply room).
  • Entrance side room: Turning right from the entrance leads players into a medium-sized room with a door at the opposite end which provides access to the courtyard. This room is heavily trafficked by both teams, as it is the most direct way to reach the courtyard from the main entrance. Engineers can set up small camps in here if the enemy is attempting to push through the entrance. In addition, because the room is large, it is often a hiding place for Spies. In many other parts of 2Fort, corridors are too narrow to provide much cover for an invisible Spy, but this room is an exception, allowing them to move through it undetected.
  • Battlements: The Battlements are on the front of the second floor of each base and have a center "bunker" section. This section has large glass-less windows and is a roofed structure. The windows allow almost unbroken lines of sight into the area. The battlements are also often referred to as the "balcony," as well as the "Sniper ledge" or "Sniper deck", due to their main purpose as a camping area for Snipers. The ledges provide Snipers with an excellent view of most of the exterior of 2Fort, with the exception of the bridge and the water beneath it. The RED side has a ledge placed high enough to cause fall damage if walked off of, while the BLU side's ledge is not tall enough.

Fort locations

  • Sewers: The tunnels under each base, leading from the water beneath the bridge to the "Entrance", are generally referred to as "The Sewers". They have several sharp turns, creating numerous blind corners around which to fight. The sewers are generally used as a way of entering the enemy base free from the attention of the Snipers above. The narrowness of the sewers and the water makes it difficult for Spies to sneak past enemies who are also using the tunnels.
  • Sewer room: In each sewer, there is a room recessed into a corner in such a way that it is impossible to see the entire room from inside the tunnels. On the water-side of the room, the tunnel has two 90 degree bends, but on the base-side of the room, there is one long unbroken stretch of tunnel. The long tunnel provides a long-range line of sight between the room and the sewer exit. The rooms are often camped by Engineers, who use Teleporters to allow their team to quickly access the enemy base, or Sentry Guns to prevent the opposing team from using that location.
  • Courtyard: The Courtyard is the main means of transition between the ground floor and the second floor in each base. It is an enclosed, roofless space inside each base, next to the main spawn room and on the player's right when they come through the entrance. It is bounded on three sides by high ledges, and there are doors connecting to the spawn room, a staircase leading down to the Intelligence room on the second floor, and a door from the entrance and from the balcony spawn corridor on the ground floor. Two staircases allow access from below to the upper level. Engineers often use the space as a major defensive point, as it provides the only means of access to the Intelligence for most classes. By setting up a Sentry Gun, an Engineer can successfully provide an effective defense against assaults on the intelligence, particularly if positioned so as to cover the Battlements' doorway.
  • Grate: This is the small room with the grated floor right above the entrance of each base. It is connected directly to the upstairs area, and as a result, is often used by players to gain quick access to battles in the entrance. Demomen, Soldiers, Engineers, Scouts, and Pyros can jump up to the second story through this, providing another means of access to the second floor. Classes such as the Engineer and Demoman can also camp above the grate, limiting enemy access through the front entrance. Splash damage can be dealt through the grate.
  • Upstairs: This is the large room on the second floor, adjacent to the main resupply room. The Upstairs area has an exit to the Battlements, "Grate", "top of the Spiral", and "Courtyard". This room is heavily trafficked as it is a major crossroads on the map, connecting practically every area of the base. It is often used by Scouts who have jumped to the balcony, as it provides a direct route to the Intelligence via the spiral ramp. The Upstairs area is also commonly referred to as the "hay room" or "hayloft" (due to the large piles of hay on the floor,) or simply the "upstairs lobby".

Main base locations

  • Wheelchair Access Ramp (Spiral): The Spiral ramp that leads from the Basement up and out of the base is one of only two access points to the Intelligence room. Like the Sewers, the Spiral is a narrow corridor with right-angle turns. This tends to result in close quarters fighting, and due to the confined space it is fairly easy to block enemy access with a Dispenser, Sentry Gun, or Heavy. At the top, the Spiral connects to the upstairs area via a small room in which there is a small Health Pack and Ammo Pack, as well as two small corners in which Spies often hide. A direct line of sight can be drawn from the upstairs area along the top length of the Spiral, allowing Snipers to eliminate enemies with the Intelligence as they climb the Spiral. The BLU Spiral ramp, however, has changed as it became more narrow, meaning that Engineers can block them with Dispensers easily.
  • Stairs: This area contains a long ramp running from the back of the courtyard into the basement. It is the other exit point for a stolen Intelligence. It is often called the "back stairs", "long stairs", "straight stairs", or simply "straight". It is also called the "L-Shaft" because it contained an elevator in previous incarnations of the 2Fort map.
  • Data Hall (Basement): This is the space downstairs between the Spiral ramp and the Stairs. It leads to the Intelligence Office and a Resupply Room exists at the end nearest to the Stairs. In spite of appearances, the Resupply Room is not a Respawn, no player will ever respawn in that room after they die. There is a Health pack and Ammo box in the middle of the Data Hall.
  • Intelligence Office: The Intelligence Office has two entrances from the Data Hall. This is the primary defensive point of 2Fort, and as such, it is frequently camped, especially by Engineers. The Intelligence is on top of a desk in the opposite corner to both entrances. The layout of the room makes it very simple for campers to entrench themselves, and successfully removing them can be almost impossible without an ÜberCharge.

Helpful overview

2Fort Invasion's locations
4.Sewer exits
6.Upstairs room and the Entrance Side room right below it
9.Basement (Data Hall)
10.Spiral (Wheelchair Access ramp)
11.Intelligence Room


Main article: Community 2Fort Invasion strategy

Update history

October 6, 2015 Patch (Invasion Community Update)

  • [Undocumented] Added 2Fort Invasion

October 8, 2015 Patch

  • Fixed generic bomb entities (in the Invasion maps) damaging teammates when shot with an arrow

October 15, 2015 Patch

  • Fixed a few areas where players were getting outside of the map

November 13, 2015 Patch

  • [Undocumented] Added the Invasion Community Update maps to regular quickplay lists.

March 28, 2018 Patch #1


  • It is possible for players to get stuck in the alien bombs.



BLU: Alien biology lab

RED: Alien technology research / war front

The posters in this building are a tribute to famous United States propaganda art of World War II.


See also