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UBOAT
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.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.
What reviewers agree on
73 of the 103 reviews raise this.
“I want to preface this with i LOVED this game prior to this latest update. Countless hours of fun, an easy buy. I'm changing my review to negative because of three main reasons. -With the launch of the DLC. (Which I…”
“I love this game prior to the last patch. Despite the mixed reviews, i decided to purchase the DLC Distant coast. To be fair, i was having a lot of fun with it, until...... Until, i tried to load my game and continue my…”
“Loved this game before the update. I hate how they make you go walk around to supply and pick missions etc now. You move so slow and its just annoying compared to how you did it before. Its also really annoying that…”
14 of the 103 reviews raise this.
“I'm trying. I really am. I am doing my best to not give up. The super small team is releasing update after update after update. I love what they are doing. I cannot emphasize this enough. I am just experience glitch…”
“To preface this interview, I absolutely love this game and I will continue playing it. Now to jump in, this game has sadly been turned into a buggy mess by the new 2026.1 update associated with the launch of the Type IX…”
“UBOAT is an intriguing, fun and realistic take on submarine warfare during World War Two. Although the 2026 update has created several new bugs, the small dev team has released several patches within the past 2-3 days…”
12 of the 103 reviews raise this.
“This is a fantastic historical mil-sim and the spiritual successor to sub games of my younger years like Silent Hunter, 688 attack sub and the like. Along with being fully modern, it's also very scalable from a casual…”
“It is a great simulation game. When your ready turn off all the easy stuff and do everything on your own!”
“Hidden gem. Do yourself a favor and skim over the in-game manual or do the tutorial. The more you learn how to play, the wilder this game gets.”
7 of the 103 reviews raise this.
“if you want a game that is like a sim but doesn't feel like a chore this is the game it graphics are pretty good and the jaw animation is very funny and you can ram in to land at 140x speed and it will make you uboat in…”
“---{ Graphics }--- ☐ You forget what reality is ☐ Beautiful ☑ Good ☐ Decent ☐ Bad ☐ Don‘t look too long at it ☐ MS-DOS ---{ Gameplay }--- ☑ Very good ☐ Good ☐ It's just gameplay ☐ Mehh ☐ Watch paint dry instead ☐ Just…”
“Highly recommend. Beautiful game on good hardware. The systems are intuitive and if you are enough of a nerd the torpedo targeting solutions that you can hand calculate (but don't have to) make this game an extremely…”
5 of the 103 reviews raise this.
“---{ Graphics }--- ☐ You forget what reality is ☐ Beautiful ☑ Good ☐ Decent ☐ Bad ☐ Don‘t look too long at it ☐ MS-DOS ---{ Gameplay }--- ☑ Very good ☐ Good ☐ It's just gameplay ☐ Mehh ☐ Watch paint dry instead ☐ Just…”
“Excellent WWII submarine game. Recent patches have fixed the bugs, the game now runs smoothly.”
“so after my last review much has been fixed the port glitches no longer the eye glitch fixed and it feel so far like it was play and runs smooth and i am back to enjoying it. good job devs. i hope if there is a new…”
35 of the 103 reviews raise this · 22 of them still recommend the game.
“I want to preface this with i LOVED this game prior to this latest update. Countless hours of fun, an easy buy. I'm changing my review to negative because of three main reasons. -With the launch of the DLC. (Which I…”
“Love the game overall, but I can't recommend after the last update, it introduces so many bugs and glitches : - Game crashes and locks up now. - Many visual bugs, crew running around with "pinkscreen" eyes, torpedoes…”
“Cannot recommend in the game's current state. The Type IX and Distant Coasts DLC all seemed like wonderful additions, but the game is horrifically buggy now, far worse than before. I am currently in a state wherein I…”
7 of the 103 reviews raise this · 3 of them still recommend the game.
“I want to preface this with i LOVED this game prior to this latest update. Countless hours of fun, an easy buy. I'm changing my review to negative because of three main reasons. -With the launch of the DLC. (Which I…”
“I liked this game very much before update 2026-1. It was consistant, fairly difficult (playing quite leisurable settings) all be it with 90's graphics. After the update I am spotted 3 km of a destroyer at 20 m depht…”
“[i][u](Copying this from my review of the new Type IX DLC, since that content and the free update they pushed alongside it really did a number on the game and are the main problems with the game right now.)[/u][/i]…”
4 of the 103 reviews raise this · 1 of them still recommend the game.
“I want to preface this with i LOVED this game prior to this latest update. Countless hours of fun, an easy buy. I'm changing my review to negative because of three main reasons. -With the launch of the DLC. (Which I…”
“Okay. The game IS fun, but the most recent update has absolutely ruined it. Buying the new DLC has made it so that now, the game won't even launch on the display that I am telling it to launch on (this was never an…”
“completly unplayable since the DLC and update dropped, constant freezing and crashing.... DO NOT BUY THE DLC OR RUN THE PATCH TILL ITS FIXED”
3 of the 103 reviews raise this · 2 of them still recommend the game.
“I liked this game very much before update 2026-1. It was consistant, fairly difficult (playing quite leisurable settings) all be it with 90's graphics. After the update I am spotted 3 km of a destroyer at 20 m depht…”
“Firstly, the game is currently broken so maybe hold off playing but it is worth the price sale or not. Second, the actual review. This is a fairly simplified idea of sub warfare in ww2 that said its still a pseudo-sim…”
3 of the 103 reviews raise this · 2 of them still recommend the game.
“I love this game prior to the last patch. Despite the mixed reviews, i decided to purchase the DLC Distant coast. To be fair, i was having a lot of fun with it, until...... Until, i tried to load my game and continue my…”
Counted across 103 English reviews, sampled to match this game's 84.1% positive rating · as of 2026-05-20
“I had a really enjoyable time with U-Boat. I played it across different skill levels, and it works well no matter how you want to approach it. One thing that really stands out is the repair system. The whole mini-game of fixing the sub when things go wrong is honestly great, and…”
— a player, Steam review · 201 hrs played“If you’re even slightly interested in submarine warfare, UBOAT is an easy recommendation. It strikes a really nice balance between realism and playability, detailed enough to feel authentic, but not so overwhelming that you need a naval engineering degree just to leave port. You…”
— a player, Steam review · 136 hrs played“1. Why did you overhaul the UI logic? Originally, after returning to port, I only needed to click twice to finish refitting, upgrading or resupplying. Now I have to click four to five times and sit through a scene load just to show a headquarters view. Resupplying at port used…”
— a player, Steam review · 306 hrs playedPlayer activity
Monthly average concurrent players. Live count fetched 2026-07-11 12:36 UTC · history via SteamCharts.
Achievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
2026.1 Patch 20
Dear captains, There is a new patch available for update 2026.1. Changelog: Localization:- Russian localization update by Hard. - German localization update by Ruby. Type IX:- Fix: After assigning off
2026.1 Patch 19
Dear captains, There is a new patch available for update 2026.1. Changelog: Type IX:- Fix: Conning tower damages were sometimes rendered as see-through holes with nothing underneath. - Fix: Resolved i
2026.1 Patch 18
Dear captains, There is a new patch available for update 2026.1. Changelog: Type IX: - Fix: Ensured compatibility of camouflages with the conning towers. - Fix: In existing saves, the issue with missi
2026.1 Patch 17
Dear captains, There is a new patch available for update 2026.1. Changelog: Type IX:- Fix: Missing geometry under the stern loading hatch for loading torpedoes. - Fix: Forward deck gun was incorrectly
2026.1 Patch 16
Dear captains, There is a new patch available for update 2026.1. Changelog: Type IX: - Fix: It wasn't possible to open hatch from the engine room to the control room in FPP. Damage system: - Water inf
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-20.
| Genres | Action, Indie, RPG, Simulation, Strategy |
| Player tags | Simulation · World War II · Submarine · Naval Combat · Military · Naval · War · Singleplayer · Open World · Realistic · Historical · Action (SteamSpy community voting) |
| Features | Single-player · Steam Achievements · Steam Workshop · Steam Workshop · Steam Cloud · Family Sharing |
| Languages | English * , French, Italian, German * , Spanish - Spain, Polish, Russian, Korean, Simplified Chinese, Turkish, Czech, Portuguese - Portugal, Japanese * |
| Achievements | 51 |
| Estimated owners | 500,000 – 1,000,000 (SteamSpy) |
Minimum system requirements (PC)
Minimum: OS *: Windows 7 64 Bit / Windows 8 64 Bit / Windows 10 64 Bit / Windows 11 64 Bit Processor: Core i3 3.1 GHz or AMD Phenom II X3 2.8 GHz Memory: 6 GB RAM Graphics: GeForce GTX 750 Ti 2GB (1080p Low) or AMD equivalents DirectX: Version 11 Storage: 71 GB available space Sound Card: DirectX compatible