Single-player games like The Trench
Below are 8 single-player Steam games similar to The Trench, 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 The Trench page.
Ranked picks
- 1
Seal The Breach
Single-player alternative to The Trench — playable solo, no multiplayer required. Shares Indie and Adventure with The Trench.
A 3D survival experience set within a cramped one-man submarine exploring a hostile ocean trench.
- 2
Insiders
Single-player alternative to The Trench — playable solo, no multiplayer required. Shares Action and Indie with The Trench.
Welcome to the dangerous micro world hidden inside the human body. Pilot an advanced microship through the bloodstream, brain and kidneys. Mine resources, fight microbes, craft ship modules and weapons, build bases, discover new microorganisms and find a cure for cancer. Don’t get eaten!
- 3
Killer Depths
Single-player alternative to The Trench — playable solo, no multiplayer required. Shares Action and Adventure with The Trench.
Pilot a submarine in a horrific, deep sea expedition. Study the monsters the lurk below and look for their signs. Adjust your speed, noise and light levels to scare off, or hide from whatever you think is out there. Poor judgment will lead to a watery grave.
- 4
Barotrauma
Single-player alternative to The Trench — playable solo, no multiplayer required. Shares Action and Indie with The Trench.
Barotrauma is a 2D co-op submarine simulator – in space, with survival horror and RPG elements. Steer your submarine, complete missions, fight monsters, fix leaks, operate machinery, man the guns and craft items, and stay alert: danger in Barotrauma doesn’t announce itself!
- 5
Biolum
Single-player alternative to The Trench — playable solo, no multiplayer required. Shares Action and Indie with The Trench.
Biolum is a 30min VR sci-fi narrative experience. Dive to uncharted depths of the ocean and discover a beautiful world of bioluminescent creatures. But all is not what it seems. What lies beneath the surface?
- 6
Narcosis
Single-player alternative to The Trench — playable solo, no multiplayer required. Shares Indie and Adventure with The Trench.
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
The Shore
Single-player alternative to The Trench — playable solo, no multiplayer required. Shares Action and Indie with The Trench.
THE SHORE is a first person story driven game with an atmospheric environment and narrations, You will encounter mysterious creatures and unravel the secrets behind them. Strong elements of horror, struggle to survive an unknown world that will make you question your own sanity.
- 8
The Sirena Expedition
Single-player alternative to The Trench — playable solo, no multiplayer required. Shares Indie and Adventure with The Trench.
The Sirena Expedition is a short PSX-style horror-platformer in which you explore a mysterious underwater facility.