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Swirl is a large archipelago, similar to Dreadnought but relies less on the centre.

Escort[edit]

A lightly defended US convoy is escaping to the north from the battle zone. The US must escort at least one transport ship to safety. The Japanese have to sink all hostile transport ships before they get away.

Map description

Camping Clemsons - it's a legitimate strategy.
Easy handling and immunity to torpedoes makes Elcos the perfect anti-sub unit.

This escort mission revolves around an American convoy seeking refuge in the north. Unlike Dreadnought, players now have three spawn points to choose from - an airfield, a PT boat base, and destroyers for the Americans or Type B subs for the Japanese. These spawn points are located far apart - choosing the wrong spawn point can cost your team the game.

The Allies must protect the convoy, which starts close to the southeast corner. It is escorted by six Fletchers, and is composed of five transports. The American PT boat base is located closest to the convoy, but provides the least amount of firepower - the PTs are mostly effective against Type B submarines.

The Allied center base is an airbase providing access to Corsairs and Helldivers. Corsairs will be the players' biggest asset against torpedo bombers from the west, as well as Gyoraiteis from the other center base. You may need some Elcos for defence against any Type Bs.

Corsairs keep Gyoraiteis at bay.
Torping the Fletchers makes it easier for others to attack the convoy.

The farthest Allied base - the one closest to the exit - spawns Clemson-class destroyers. These are generally not needed, as the convoy is already escorted by six Fletchers - which put up more flak than Clemsons. Additionally, they are extremely slow compared to planes, and are generally not any more effective against submarines than Elcos. Clemsons, however, are much more heavily armoured, making them effective campers for the Japanese bases. Simply park your Clemson near an enemy base and shell any enemies that appear out of it. Although you can't outright neutralize the spawn, you can delay enemy attacks long enough for the convoy to escape.

The Japanese have four bases to spawn from - two spawn Gyoraiteis. One is located close to the middle, and the second extremely close to the map's exit. This is the Japanese's final stand. The Allies will need a lot of Corsairs to intercept as many as possible before they unleash their torpedoes. This final spawn is the final decisive showdown on the map, between PT boats and aircraft. Players can try to use Clemson-class destroyers as a shield against torpedoes, but they aren't manoeuvrable enough. Gyoraiteis are perhaps the biggest weapon against the convoy - they're small, carry lots of torpedoes, and are hard for the Fletchers to hit.

Early on, the submarines are the biggest advantage the Japanese have. Their ability to submerge allows them to get close to the transport ships. However, if the convoy makes it close to the north, Japanese players will want to switch to Gyoraiteis in order to deliver more torpedoes quicker.

The biggest threat to the Type Bs, however, are Elco PTs and depth charge Helldivers. Defence against these will come from the airfield on the far west side of the map. It can spawn Kates for torpedo bombing the convoy, or Zeroes for strafing Elcos. Machine guns will not harm the convoy. Type B players will want to rely on Zeroes to get Elcos off their tail while Type Bs actually go for the convoy. A skilled wolfpack of submarines can critically damage or outright sink the convoy before it gets anywhere near the exit.

Siege[edit]

The US has launched a bombing run on a Japanese base and on some Japanese cruisers anchored nearby. The US must sink the enemy ships and neutralize the Japanese base. The Japanese have to protect the anchored ships and the headquarters by destroying all the enemy bombers and their fighter escort.

Map description

Take an active role yourself in bombing the enemy ships and base into oblivion.

This mission is somewhat similar to BSM's Air Superiority at Luzon. However, both sides have access to a wider variety of units - the Americans have access to SBD Dauntlesses, Warhawks, and Wildcats. The Japanese have only fighters - the Zero and the Gekko.

The Allies' job is to escort bomber wings that will neutralize the Japanese headquarters and sink three Japanese ships - a Kuma-class, a Mogami-class, and a Tone-class. Mogami and Tone put up considerable AA fire, and the island itself is well entrenched with multiple AA batteries. Allied fighters should try to neutralize these batteries not just for a secondary objective, but also to help protect the bomber wings.

Dogfight enemy fighters and help protect those going after the bombers.

The bomber wings themselves consist of three SBD Dauntless wings (for a total of nine SBDs) and three B-17s. The Japanese should focus primarily on the Fortresses - they are large and slow, and will take a lot of strength out of the Allies when they are shot down. However, the Dauntlesses are more numerous, more accurate, and carry a single heavy bomb versus the carpet bombers' multitude of smaller ones. This means it doesn't really matter which planes you go for - intercept as many bombers as possible before they get to the base, and reduce the enemy firepower.

The Allies have it considerably easier than the Japanese. A single fighter flying at low altitude can almost single-handedly eliminate the island's AA defences, easily taking out a large amount of the Japanese strength and paving the way for additional bombing runs. This is also one of the few times during which players can participate in what otherwise would be an AI-specific task - bomb the enemy positions. Player-flown SBDs do not have the same gold objective bracket as the AI ones do, so this allows players to attempt to sneak in at low altitude.

Competitive[edit]

You are the captain of a destroyer caught in the thick of battle. Can you stop the unrelenting onslaught against your base? As a US force you have to destroy attacking enemy ships and planes.

Map description

Incoming!!

This is a fairly straightforward map: a ton of Japanese ships and planes are moving to neutralize your team's base, and you have to stop that from happening. However, you only have access to Fletcher and Clemson-class destroyers. Players will fight increasingly difficult enemies, graduating from Minekaze-class destroyers, to Fubukis, all the way up to Kongō-class battleships. Each, naturally, gives more points than the last upon destruction.

This mission will test your proficiency with destroyers.

Complicating matters somewhat is a significant enemy air presence. At first the enemy is content to send B5N Kates at you, to try and torpedo a single unlucky destroyer, but a skilled captain can dodge the torpedoes. Aside from that, Vals close in as well to try and bomb the base.

Approximately five minutes into the game, however, a single Ohka Carrier will appear in the northwest corner. It will periodically select a target - always a destroyer - and Ohka it, usually sinking it outright. It isn't worth going up there to shoot it down. Aside from Ohkas, Kaiten Carriers also make an appearance. Kaiten Carriers are worth a lot of points - they are perpetually highlighted. This makes Competitive Swirl one of the few maps where there are multiple highlighted units simultaneously. Kaiten Carriers, for unknown reasons, do not actually use their Kaitens. Additionally, Shinyos also appear, generally from the south and west. Their small size and devastating package makes them the bane of many players.

The biggest strength destroyers have - particularly against the heavily armoured Kuma-class light cruiser - are torpedoes. Considering so many ships are in a single place, expect a lot of torpedoes to be flying around. Combined with up to seven other friendly destroyers and even more enemies, this makes for extremely hectic battles.

Duel[edit]

Start locations for Swirl: Duel

Island Capture - Small[edit]

Map Description: Swirl Small is quite similar to Dreadnought Small. The primary exception is that the focus is on battleships and destroyers for the most part. Similar to Dreadnought, the team that has captured the centre island will be able to spawn battleships.

Unlock Data: Although players can spawn Renown or Kongō-class battleships right from the start, if a player selects the Iowa or Yamato (or, with the Mustang pack, the Montana or Super-Yamato), these true battleships will be available right from the start. The most recommended unlock, therefore, is a battleship. Because of the number of battleships on this map, destroyers can also be a worthy investment for their huge torpedo complement.

Balancing Notes: Aside from the minor differences between the four battleship unlocks, there are very few differences between playing the Japanese versus playing the Allies.

Click on a Headquarters to see what it can spawn.

HQ 1HQ 3HQ 5Swirl - Small
About this image

HQ 1 (Japanese)[edit]

Allied ships
  • Elco PT boat
  • Fletcher-class DD
  • LST Mark 2
  • Renown-class BB
  • Allen M. Sumner-class DD
  • ASW Fletcher-class DD
  • Iowa-class BB
  • Montana-class BB
Japanese ships
  • Gyoraitei PT boat
  • Fubuki-class DD
  • SB Boat LST
  • Kongō-class BB
  • Akizuki-class DD
  • Shimakaze-class DD
  • Yamato-class BB
  • Super Yamato-class BB
Allied planes

None

Japanese planes

None

HQ 3[edit]

Allied ships
  • Elco PT boat
  • Fletcher-class DD
  • LST Mark 2
  • Renown-class BB
  • Prince of Wales-class BB
  • Troop Transport AP
  • Narwhal-class SS
  • Allen M. Sumner-class DD
  • ASW Fletcher-class DD
  • Gato-class SS
  • Iowa-class BB
  • Montana-class BB
Japanese ships
  • Gyoraitei PT boat
  • Fubuki-class DD
  • SB Boat LST
  • Kongō-class BB
  • Fusō-class BB
  • Troop Transport AP
  • Type B SS
  • Akizuki-class DD
  • Shimakaze-class DD
  • Yamato-class BB
  • Super Yamato-class BB
  • I-400-class SS
  • Kaiten Carrier SS
Allied planes

None

Japanese planes

None

HQ 5 (Allied)[edit]

Allied ships
  • Elco PT boat
  • Fletcher-class DD
  • LST Mark 2
  • Renown-class BB
  • Allen M. Sumner-class DD
  • ASW Fletcher-class DD
  • Iowa-class BB
  • Montana-class BB
Japanese ships
  • Gyoraitei PT boat
  • Fubuki-class DD
  • SB Boat LST
  • Kongō-class BB
  • Akizuki-class DD
  • Shimakaze-class DD
  • Yamato-class BB
  • Super Yamato-class BB
Allied planes

None

Japanese planes

None

Island Capture - Medium[edit]

Map Description: Swirl Medium has expanded on Swirl Small, and has several additions. Players have two starting bases - an airfield and a shipyard. The shipyard is extremely close to the centre base, and much of the initial fighting for the middle base will be between ships. Planes may be faster than ships but they take longer to bring into the fight on this map.

Unlock Data: As with Small, players start with Renown or Kongō-class battleships right away. These can be augmented with Yamatos or Iowas right from the beginning if they are selected as an unlock. Therefore, at least one player should select a battleship unlock on this map. Planes are an excellent fallback weapon, especially the devastating TBM Avenger and the Ohka Carrier. Japanese players should also consider the H8K Emily as a strike weapon as well.

Balancing Notes: This map is quite balanced. This map slightly favours the Japanese, however, primarily due to the lack of quality in the PBY Catalina. The Mavis drops twice the number of torpedoes, and the Emily is the same as a Mavis but comes in squads of three. A Japanese player who selects the Emily can easily repel Allied battleship pushes on the Japanese airbase in the event their shipyard falls. The Allies will have to rely on the TBM Avenger to do this, which is twice as expensive as the Emily.

Click on a headquarters to see what it can spawn.

HQ 1HQ 3HQ 6HQ 9HQ 11Swirl - Medium
About this image

HQ 1 (Allied)[edit]

Allied ships

None

Japanese ships

None

Allied planes
  • F4F Wildcat
  • SBD Dauntless
  • TBF Avenger
  • PBY Catalina
  • OS2U Kingfisher
  • B-17 Flying Fortress
  • C-47 Skytrain
  • P-80 Shooting Star
  • P-51 Mustang
  • B-29 Superfortress
  • TBM Avenger
Japanese planes
  • A6M Zero
  • D3A Val
  • B6N Jill
  • H6K Mavis
  • G4M Betty
  • E13A Jake
  • L2D Tabby
  • J7W Shinden
  • H8K Emily
  • G5N Liz
  • J9Y Kikka
  • Ohka Carrier (MXY-7 Ohka)

HQ 3 (Allied)[edit]

Allied ships
  • Elco PT boat
  • Fletcher-class DD
  • LST Mark 2
  • Rocket LSM
  • Renown-class BB
  • Allen M. Sumner-class DD
  • ASW Fletcher-class DD
  • Iowa-class BB
  • Montana-class BB
Japanese ships
  • Gyoraitei PT boat
  • Fubuki-class DD
  • SB Boat LST
  • Agano-class CL
  • Kongō-class BB
  • Akizuki-class DD
  • Shimakaze-class DD
  • Kuma-class CL Torpedo Variant
  • Yamato-class BB
  • Super Yamato-class BB
Allied planes

None

Japanese planes

None

HQ 6[edit]

Allied ships
  • Elco PT boat
  • Fletcher-class DD
  • LST Mark 2
  • Troop Transport AP
  • De Ruyter-class CL
  • Narwhal-class SS
  • Renown-class BB
  • Prince of Wales-class BB
  • Allen M. Sumner-class DD
  • ASW Fletcher-class DD
  • Atlanta-class CL
  • Gato-class SS
  • Iowa-class BB
  • Montana-class BB
Japanese ships
  • Gyoraitei PT boat
  • Fubuki-class DD
  • SB Boat LST
  • Troop Transport AP
  • Agano-class CL
  • Type B SS
  • Kongō-class BB
  • Fusō-class BB
  • Akizuki-class DD
  • Shimakaze-class DD
  • Kuma-class CL Torpedo Variant
  • Yamato-class BB
  • Super Yamato-class BB
Allied planes

None

Japanese planes

None

HQ 9 (Japanese)[edit]

Allied ships
  • Elco PT boat
  • Fletcher-class DD
  • LST Mark 2
  • Rocket LSM
  • Renown-class BB
  • Allen M. Sumner-class DD
  • ASW Fletcher-class DD
  • Iowa-class BB
  • Montana-class BB
Japanese ships
  • Gyoraitei PT boat
  • Fubuki-class DD
  • SB Boat LST
  • Agano-class CL
  • Kongō-class BB
  • Akizuki-class DD
  • Shimakaze-class DD
  • Kuma-class CL Torpedo Variant
  • Yamato-class BB
  • Super Yamato-class BB
Allied planes

None

Japanese planes

None

HQ 11 (Japanese)[edit]

Allied ships

None

Japanese ships

None

Allied planes
  • F4F Wildcat
  • SBD Dauntless
  • TBF Avenger
  • PBY Catalina
  • OS2U Kingfisher
  • B-17 Flying Fortress
  • C-47 Skytrain
  • P-80 Shooting Star
  • P-51 Mustang
  • B-29 Superfortress
  • TBM Avenger
Japanese planes
  • A6M Zero
  • D3A Val
  • B6N Jill
  • H6K Mavis
  • G4M Betty
  • E13A Jake
  • L2D Tabby
  • J7W Shinden
  • H8K Emily
  • G5N Liz
  • J9Y Kikka
  • Ohka Carrier (MXY-7 Ohka)

Island Capture - Large[edit]

Map Description: Swirl sized Large is quite different from Dreadnought. It has no carriers, instead focusing on ship-to-ship combat. Although the map has airfields, they are very distant and as such are difficult to use. Expect a lot of battleship fights in this map.

Unlock Data: Swirl is extremely focused on battleship duels, so a battleship unlock will rarely go awry on this map. Destroyer unlocks are also a possibility, mainly for their large torpedo complement. The airfields on this map are distant and difficult to use, so TBMs and Ohkas will be primarily used as fallback weapons rather than primary strike planes.

Balancing Notes: This map is quite balanced, but the same notes in Swirl Medium also apply here. The H8K Emily is an extremely powerful anti-battleship flying boat and is far superior to anything the Allies have save TBM Avengers.

Click on a headquarters to see what it can spawn.

HQ 2HQ 4HQ 6HQ 9HQ 12HQ 14HQ 17Swirl - Large
About this image

HQ 2 (Allied)[edit]

Allied ships
  • Elco PT boat
  • Fletcher-class DD
  • LST Mark 2
  • Renown-class BB
  • ASW Fletcher-class DD
  • Allen M. Sumner-class DD
  • Iowa-class BB
  • Montana-class BB
Japanese ships
  • Gyoraitei PT boat
  • Fubuki-class DD
  • Kongō-class BB
  • SB Boat LST
  • Akizuki-class DD
  • Shimakaze-class DD
  • Yamato-class BB
  • Super Yamato-class BB
Allied planes

None

Japanese planes

None

HQ 4 (Allied)[edit]

Allied ships

None

Japanese ships

None

Allied planes
  • F4F Wildcat
  • SBD Dauntless
  • TBF Avenger
  • PBY Catalina
  • OS2U Kingfisher
  • B-17 Flying Fortress
  • C-47 Skytrain
  • P-51 Mustang
  • P-80 Shooting Star
  • B-29 Superfortress
  • TBM Avenger
Japanese planes
  • A6M Zero
  • D3A Val
  • B6N Jill
  • H6K Mavis
  • E13A Jake
  • G4M Betty
  • L2D Tabby
  • J7W Shinden
  • J9Y Kikka
  • G5N Liz
  • H8K Emily
  • Ohka Carrier (MXY-7 Ohka)

HQ 6[edit]

Allied ships
  • Elco PT boat
  • Fletcher-class DD
  • LST Mark 2
  • Renown-class BB
  • Rocket LSM
  • ASW Fletcher-class DD
  • Allen M. Sumner-class DD
  • Iowa-class BB
  • Montana-class BB
Japanese ships
  • Gyoraitei PT boat
  • Fubuki-class DD
  • SB Boat LST
  • Kongō-class BB
  • Akizuki-class DD
  • Shimakaze-class DD
  • Yamato-class BB
  • Super Yamato-class BB
Allied planes

None

Japanese planes

None

HQ 9[edit]

Allied ships
  • Elco PT boat
  • Fletcher-class DD
  • De Ruyter-class CL
  • LST Mark 2
  • Renown-class BB
  • Prince of Wales-class BB
  • Narwhal-class SS
  • ASW Fletcher-class DD
  • Allen M. Sumner-class DD
  • Atlanta-class CL
  • Iowa-class BB
  • Montana-class BB
  • Gato-class SS
Japanese ships
  • Gyoraitei PT boat
  • Fubuki-class DD
  • Agano-class CL
  • Kongō-class BB
  • Fusō-class BB
  • Type B SS
  • Troop Transport AP
  • Akizuki-class DD
  • Shimakaze-class DD
  • Kuma-class CL Torpedo Variant
  • Yamato-class BB
  • Super Yamato-class BB
  • I-400-class SS
  • Kaiten Carrier
Allied planes

None

Japanese planes

None

HQ 12[edit]

Allied ships
  • Elco PT boat
  • Fletcher-class DD
  • Rocket LSM
  • LST Mark 2
  • Renown-class BB
  • ASW Fletcher-class DD
  • Allen M. Sumner-class DD
  • Iowa-class BB
  • Montana-class BB
Japanese ships
  • Gyoraitei PT boat
  • Fubuki-class DD
  • SB Boat LST
  • Kongō-class BB
  • Akizuki-class DD
  • Shimakaze-class DD
  • Yamato-class BB
  • Super Yamato-class BB
Allied planes

None

Japanese planes

None

HQ 14 (Japanese)[edit]

Allied ships

None

Japanese ships

None

Allied planes
  • F4F Wildcat
  • SBD Dauntless
  • TBF Avenger
  • PBY Catalina
  • OS2U Kingfisher
  • B-17 Flying Fortress
  • C-47 Skytrain
  • P-51 Mustang
  • P-80 Shooting Star
  • B-29 Superfortress
  • TBM Avenger
Japanese planes
  • A6M Zero
  • D3A Val
  • B6N Jill
  • H6K Mavis
  • E13A Jake
  • G4M Betty
  • L2D Tabby
  • J7W Shinden
  • J9Y Kikka
  • G5N Liz
  • H8K Emily
  • Ohka Carrier (MXY-7 Ohka)

HQ 17 (Japanese)[edit]

Allied ships
  • Elco PT boat
  • Fletcher-class DD
  • LST Mark 2
  • Renown-class BB
  • ASW Fletcher-class DD
  • Allen M. Sumner-class DD
  • Iowa-class BB
  • Montana-class BB
Japanese ships
  • Gyoraitei PT boat
  • Fubuki-class DD
  • Kongō-class BB
  • SB Boat LST
  • Akizuki-class DD
  • Shimakaze-class DD
  • Yamato-class BB
  • Super Yamato-class BB
Allied planes

None

Japanese planes

None