Single-player games like Seal The Breach
Below are 8 single-player Steam games similar to Seal The Breach, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Seal The Breach page.
Ranked picks
- 1
The Trench
Single-player alternative to Seal The Breach — playable solo, no multiplayer required. Shares Indie and Adventure with Seal The Breach.
As captain of the Pandora sub, you must explore the Trench and retrieve data from the Neptune wreckage. But beware - the trench is home to unimaginable horrors that will test your courage. Can you survive the terrors of the deep and complete your mission, or will you become the next victim?
- 2
The Abyss Below
Single-player alternative to Seal The Breach — playable solo, no multiplayer required. Shares Indie and Adventure with Seal The Breach.
The year is 1997. Pilot a small submersible into the depths of the Pacific to investigate a massive sonar anomaly. Navigate by instruments, scan targets, and uncover something far older than it should be.
- 3
DepthWake
Single-player alternative to Seal The Breach — playable solo, no multiplayer required. Shares Adventure and Simulation with Seal The Breach.
Return to an Earth abandoned for over 500 years and explore its transformed oceans in search of vital resources. With supplies on humanity's new home world running dry, you must gather materials, build automated underwater operations, and uncover the secrets that now lie beneath the waves.
- 4
Remnants of R'lyeh
Single-player alternative to Seal The Breach — playable solo, no multiplayer required. Shares Indie and Adventure with Seal The Breach.
Inspired by H.P. Lovecraft's Great Work. An ancient dark power is calling you and you need to find an exit. Face your greatest fear, fight, hide... you must escape before the underwater city rises...
- 5
Iron Lung
Single-player alternative to Seal The Breach — playable solo, no multiplayer required. Shares Indie and Adventure with Seal The Breach.
A short horror game where you pilot a tiny submarine through an ocean of blood on an alien moon.
- 6
Narcosis
Single-player alternative to Seal The Breach — playable solo, no multiplayer required. Shares Indie and Adventure with Seal The Breach.
Survival, horror at the sunless depths of the Pacific Ocean: Stranded on the seafloor with low light and few tools, an industrial diver takes desperate steps to surface before his oxygen — and sanity — give out.
- 7
SOMA
Single-player alternative to Seal The Breach — playable solo, no multiplayer required. Shares Indie and Adventure with Seal The Breach.
From the creators of Amnesia: The Dark Descent comes SOMA, a sci-fi horror game set below the waves of the Atlantic ocean. Struggle to survive a hostile world that will make you question your very existence.
- 8
Subterror
Single-player alternative to Seal The Breach — playable solo, no multiplayer required. Shares Indie and Adventure with Seal The Breach.
Explore abandoned biospheres at the bottom of the ocean, alone or with up to 4 friends.