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UBOAT is a simulator of a submarine from WWII era. It is a survival sandbox with crew management mechanics while its primary theme is life of German sailors. The boat is their home, but it can become their grave at any time.

Achievements
517 hidden until unlocked
Average Unlock Rate
8%of owners, per achievement
Rare (Under 5%)
2651% of the list
Rarest
0.2%Ace of the Depths
Most Common
34%Iron Cross 2nd Class
| Unlocked by | Achievements | Share |
|---|---|---|
| Under 1% | 5 | |
| 1–5% | 21 | |
| 5–20% | 20 | |
| 20–50% | 5 | |
| 50% and over | 0 |
| # | Achievement | Unlocked |
|---|---|---|
| 1 | Iron Cross 2nd ClassEarn the Iron Cross 2nd Class with any officer. | 34% |
| 2 | Iron Cross 1st ClassEarn the Iron Cross 1st Class with any officer. | 31% |
| 3 | German Cross in GoldEarn the German Cross in Gold with any officer. | 24% |
| 4 | EspionageTransport a spy to enemy territory. | 23% |
| 5 | 15000 GRTSink at least 15000 GRT during a single patrol. | 22% |
Share of the game’s Steam owners who unlocked each achievement, checked 3 Nov 2026. Steam counts owners who never played, so rates run low. How we count
| 6 | Knight's CrossEarn the Knight's Cross with any officer. | 20% |
| 7 | Enigma RecoveredComplete the mission of retrieving the Enigma from a sunken U-boat. | 19% |
| 8 | MinelayerComplete any campaign objective with mine-laying. | 19% |
| 9 | Ace of Scapa FlowComplete the mission of infiltrating Scapa Flow. | 18% |
| 10 | Knight's Cross with Oak LeavesEarn the Knight's Cross with Oak Leaves with any officer. | 16% |
| 11 | SurvivorSurvive a battle during which enemy ships dropped over 100 depth charges on your U-boat. | 13% |
| 12 | Torps Ain't CheapHidden | 12% |
| 13 | 40000 GRTSink at least 40000 GRT during a single patrol. | 12% |
| 14 | Friends In High PlacesComplete the mission of rescuing a Kriegsmarine officer from an interned ship. | 12% |
| 15 | Noisy HunterHidden | 11% |
| 16 | Tonnage WarComplete all stages of the campaign objective Tonnage War. | 11% |
| 17 | Needle In a HaystackSink a cargo ship requested for sinking by command, which is sailing in a convoy of at least 15 ships, without sinking any other ship in the convoy beforehand. | 10% |
| 18 | Knight's Cross with Oak Leaves and Crossed SwordsEarn the Knight's Cross with Oak Leaves and Crossed Swords with any officer. | 9% |
| 19 | Gibraltar CrossedComplete the mission of crossing the Strait of Gibraltar. | 8% |
| 20 | It's a Waste of AmmoHidden | 7% |
| 21 | MultitaskingHit three different ships with torpedoes with a maximum of 120 seconds between the first and last hit. | 7% |
| 22 | Fresh Air...Hidden | 7% |
| 23 | Reputation is EverythingHidden | 6% |
| 24 | Have Some PotatoesHidden | 6% |
| 25 | The Happy TimeComplete all stages of the campaign objective The Happy Time. | 6% |
| 26 | Attack on ArubaComplete the mission of attacking Aruba. | 4% |
| 27 | Norwegian CampaignComplete all stages of the Norwegian campaign. | 4% |
| 28 | 86700 GRTHidden | 4% |
| 29 | Silent MeteorologistComplete the mission of establishing a weather station in Northern Labrador. | 4% |
| 30 | Japanese FriendsMeet a Japanese B1-type submarine. | 4% |
| 31 | War ChestHave a budget of over 1,000,000. | 4% |
| 32 | Knight's Cross with Oak Leaves, Crossed Swords and DiamondsEarn the Knight's Cross with Oak Leaves, Crossed Swords, and Diamonds with any officer. | 4% |
| 33 | Battle of the MediterraneanComplete all stages of the campaign objective Battle of the Mediterranean | 4% |
| 34 | ResearcherResearch all technologies available in the game during a campaign started on September 1, 1939. | 3% |
| 35 | The Black PitComplete all stages of the campaign objective The Black Pit. | 3% |
| 36 | Destroyed DestroyersSink 30 destroyers. | 3% |
| 37 | U-flakShoot down 20 airplanes. | 3% |
| 38 | Safe and SoundBuild all U-boat bunkers in a campaign started before March 1941. | 3% |
| 39 | Carrier HunterSink a total of 3 aircraft carriers travelling in convoys. | 3% |
| 40 | Arctic ConvoysComplete all stages of the campaign objective Arctic Convoys. | 2% |
| 41 | Gold RecoveredComplete the mission of retrieving gold from a sunken merchant ship. | 2% |
| 42 | Convoy? What Convoy?Single-handedly sink an entire convoy consisting of at least 10 ships. | 2% |
| 43 | The Last StandComplete all stages of the campaign objective The Last Stand. | 1% |
| 44 | Battleship HunterSink an enemy battleship moving with a convoy or a warship task force. | 1% |
| 45 | Operation DrumbeatComplete all stages of the campaign objective Operation Drumbeat. | 1% |
| 46 | War and PeaceComplete any campaign. | 1% |
| 47 | The Long HaulComplete any campaign starting on September 1, 1939. | 0.7% |
| 48 | Southern RoutesComplete all stages of the campaign objective Southern Routes. | 0.6% |
| 49 | Argentinian EscapeAfter the war, sink your ship off the coast of Argentina. | 0.6% |
| 50 | Knight's Cross with Golden Oak Leaves, Swords, and DiamondsEarn the Knight's Cross with Golden Oak Leaves, Crossed Swords, and Diamonds with any officer. | 0.3% |
| 51 | Ace of the DepthsComplete any campaign with realism settings over 90%. | 0.2% |