| Achievement | Global Unlocks | |
|---|---|---|
|
World's Greatest Submarine Captain Get a rank of WGSC. |
3 | |
|
Sea Raven at Toagel Mlingui Complete the fourth Convoy Action. |
6 | |
|
Torpedo _ Gun Practice Complete the practice. |
17 | |
|
WGSC GOAT Get a rank of WGSC, class 1. |
3 | |
|
Bowfin, Fremantle Beat the highscore (39300 tons) in the second War Patrol. |
5 | |
|
From Purple to Blue Spend the night aboard. |
7 | |
|
Lieutenant Commander Get a rank of Lieutenant Commander. |
6 | |
|
Captain Get a rank of Captain. |
5 | |
|
Admiral Get a rank of Admiral. |
5 | |
|
Seawolf, Fremantle Beat the highscore (39300 tons) in the fourth War Patrol. |
4 | |
|
Grayback in the China Sea - Expert Complete the sixth Convoy Action with an overall difficulty level of 9. |
4 | |
|
Torpedo Practice Complete the practice using only torpedoes. |
11 | |
|
Lieutenant Get a rank of Lieutenant. |
7 | |
|
Tautog in the Sea of Japan - Expert Complete the fifth Convoy Action with an overall difficulty level of 9. |
4 | |
|
Plunder In the Inland Sea Complete the first Convoy Action. |
14 | |
|
Lieutenant JG Get a rank of Lieutenant JG. |
9 | |
|
Tang, Midway Beat the highscore (39300 tons) in the first War Patrol. |
4 | |
|
Vice Admiral Get a rank of Vice Admiral. |
5 | |
|
Save Our Ship Basic Morse. |
8 | |
|
Gun Practice Complete the practice using only the deck gun. |
9 | |
|
Grayback in the China Sea Complete the sixth Convoy Action. |
5 | |
|
Hammerhead at Borneo Complete the third Convoy Action. |
6 | |
|
Tautog in the Sea of Japan Complete the fifth Convoy Action. |
6 | |
|
Wahoo VS Convoy - Expert Complete the second Convoy Action with an overall difficulty level of 9. |
4 | |
|
Sea Raven at Toagel Mlingui - Expert Complete the fourth Convoy Action with an overall difficulty level of 9. |
4 | |
|
Growler, Brisbane Beat the highscore (39300 tons) in the third War Patrol. |
5 | |
|
Wahoo VS Convoy Complete the second Convoy Action. |
6 | |
|
Spadefish, Midway Beat the highscore (39300 tons) in the fifth War Patrol. |
4 | |
|
Plunder In the Inland Sea - Expert Complete the first Convoy Action with an overall difficulty level of 9. |
7 | |
|
Hammerhead at Borneo - Expert Complete the third Convoy Action with an overall difficulty level of 9. |
4 | |
|
Fleet Admiral Get a rank of Fleet Admiral. |
5 | |
|
Commander Get a rank of Commander. |
5 |