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Ghost Beneath the Waves (Undetectable)

"They will never even know you were there."

UBOAT — Ghost Beneath the Waves (Undetectable)
</> gameplay
PREMIUM

How do I install Ghost Beneath the Waves (Undetectable)?

Download the free ProjectMods desktop app, then install Ghost Beneath the Waves (Undetectable) for UBOAT in one click.

Version1.0.0
Updated2026/08/20
AuthorProjectMods
StealthUndetectableSubmarineSneaky

</>What does Ghost Beneath the Waves (Undetectable) do?

The scariest part of UBOAT is the moment a destroyer sonar pings your hull. Ghost Beneath the Waves takes that fear away: while it is on, no enemy lookout, sonar operator, radar set or hydrophone can pick you up. Glide straight through a convoy screen, line up the perfect shot, and vanish. A second toggle shakes any destroyers already hunting you so they call off the chase.

</>What is Ghost Beneath the Waves (Undetectable)?

The scariest moment in UBOAT is a destroyer's sonar pinging your hull. Ghost Beneath the Waves takes that fear away: while it is on, no enemy lookout, sonar operator, radar set or hydrophone can find you. Glide through a convoy screen, line up the perfect shot, and vanish. A second toggle makes destroyers already hunting you call off the chase. A free-tier mod from ProjectMods.

</>Common questions about Ghost Beneath the Waves (Undetectable)

What does Ghost Beneath the Waves do in UBOAT?

Ghost Beneath the Waves (Undetectable) makes your U-boat invisible to the enemy in UBOAT. The tensest part of the game is the moment an escort's sonar pings your hull and the hunt begins, this mod removes that danger entirely. While it is switched on, no enemy lookout, sonar operator, radar set or hydrophone can detect you, so you can glide straight through a convoy's escort screen, take up the perfect firing position and slip away without anyone ever knowing you were there. A second toggle, Shake Pursuers, makes destroyers that are already chasing you give up and break off. It is a free-tier mod on ProjectMods, the community-first PC mod manager.

Which enemy detection methods does the Undetectable toggle defeat?

The Undetectable toggle in Ghost Beneath the Waves covers every way UBOAT's enemies normally find you. That means visual lookouts posted on escort decks who would spot your periscope or surfaced hull, active sonar that pings through the water for a return, radar sets that sweep the surface, and passive hydrophones listening for your engines and propellers. With the toggle on, all of them simply come up empty. Because it blankets all four at once, there is no weak spot to catch you out, you are not just quiet, you are effectively not there. That lets you approach on the surface in daylight, cruise through the middle of a convoy, or sit under an escort without the usual creeping dread of being discovered.

If I attack while undetectable, can the enemy still find me afterwards?

While the Undetectable toggle is on in Ghost Beneath the Waves, the enemy cannot locate you even after you attack in UBOAT. Your torpedoes will still strike and sink their targets, and the escorts will know a ship has been hit, but they have no way to pin down where the shot came from because their lookouts, sonar, radar and hydrophones all fail against you. So you can fire into a convoy, watch a freighter go down, and reposition for the next target while the escorts search fruitlessly. If you prefer a bit more realism, being invisible until you shoot, then earning the heat, simply turn the toggle off after firing, or use the separate Shake Pursuers option to drop any escorts that do come after you.

What does the Shake Pursuers toggle do, and how is it different from Undetectable?

The two toggles in Ghost Beneath the Waves solve different problems in UBOAT. Undetectable stops the enemy from ever finding you in the first place, it is prevention. Shake Pursuers is the cure for when a hunt is already underway: flip it on and destroyers that are actively chasing you lose interest and call off the pursuit, so you can escape a bad situation you are already in. You can use them together for total safety, or separately depending on the challenge you want. For instance, leave Undetectable off so contacts still spot you and the tension builds, but keep Shake Pursuers ready as an escape hatch when a depth-charge run gets too close for comfort. Each toggle stands on its own.

Why would I use Ghost Beneath the Waves on a patrol?

Ghost Beneath the Waves is for when you want to feel like a perfect, silent hunter in UBOAT rather than the hunted. Use it to make the ideal convoy attack, slide through the escort screen, sink the fattest targets and vanish without ever being depth-charged. Use it to study a convoy up close, learning how escorts move without any risk. It is also a gentle way into the game for newer captains who find the sonar-hunt terrifying, letting them practise approaches and torpedo solutions with the fear turned off. When you are ready for danger again, one toggle brings it all back. Pair it with Iron Hull from ProjectMods if you want to be both unseen and unsinkable.

What options does Ghost Beneath the Waves (Undetectable) include?

Undetectable

Enemy lookouts, sonar, radar and hydrophones simply cannot find you. Slip past any convoy escort unseen.

Shake Pursuers

Destroyers give up the hunt and stop chasing you down.

Quick Answer

Ghost Beneath the Waves (Undetectable) is a ProjectMods mod for UBOAT that makes you invisible to the enemy, lookouts, sonar, radar and hydrophones all fail to find you, and can shake destroyers already hunting you.

System Requirements

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

What features does Ghost Beneath the Waves (Undetectable) include?

  • Vanish from enemy lookouts, sonar, radar and hydrophones the moment you switch it on
  • Glide straight through a convoy escort screen, line up the perfect shot and slip away unseen
  • Shake destroyers already hunting you with a second toggle that calls off the chase
  • Flip it off any time to bring back the heart-pounding cat-and-mouse the game is built on

Best For

  • Captains who want the thrill of a perfect attack without the terror of a sonar ping finding them
  • Players pinned under a relentless destroyer hunt who need to shake pursuers and reset
  • Anyone lining up a tricky shot deep inside a heavily escorted convoy
  • Streamers pulling off a dramatic sneak-through for the camera without risking the whole run

Last updated: 2026/08/20

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