Single-player games like The Abyss Below
Below are 8 single-player Steam games similar to The Abyss Below, 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 Abyss Below page.
Ranked picks
- 1
Seal The Breach
Single-player alternative to The Abyss Below — playable solo, no multiplayer required. Shares Indie and Adventure with The Abyss Below.
A 3D survival experience set within a cramped one-man submarine exploring a hostile ocean trench.
- 2
Project SEVER
Single-player alternative to The Abyss Below — playable solo, no multiplayer required. Shares Indie and Adventure with The Abyss Below.
Project Sever is a fusion of submarine simulator and horror. Master the controls of the Soviet Project "Sever" submarine and learn to keep it in working order to escape the deadly underwater trap and solve the mystery of the Anomalous Zone.
- 3
STASIS: BONE TOTEM
Single-player alternative to The Abyss Below — playable solo, no multiplayer required. Shares Indie and Adventure with The Abyss Below.
Get ready for a thrilling underwater adventure with classic point-and-click gameplay. Explore with three characters simultaneously. Featuring atmospheric isometric graphics, rendered video, and a soundtrack by Mark Morgan, BONE TOTEM takes you on a journey to hidden places deep below the waves...
- 4
Iron Lung
Single-player alternative to The Abyss Below — playable solo, no multiplayer required. Shares Indie and Adventure with The Abyss Below.
A short horror game where you pilot a tiny submarine through an ocean of blood on an alien moon.
- 5
The Trench
Single-player alternative to The Abyss Below — playable solo, no multiplayer required. Shares Indie and Adventure with The Abyss Below.
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?
- 6
Subnautica 2
Single-player alternative to The Abyss Below — playable solo, no multiplayer required. Shares Adventure with The Abyss Below.
Subnautica 2 is an underwater survival adventure set on an all-new alien world, developed by Unknown Worlds. Play alone or with friends in 4-player co-op. Adapt to survive by building custom bases and crafting tools. Explore the unknown to uncover the mysteries hidden within the depths.
- 7
Narcosis
Single-player alternative to The Abyss Below — playable solo, no multiplayer required. Shares Indie and Adventure with The Abyss Below.
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.
- 8
The Alien Cube
Single-player alternative to The Abyss Below — playable solo, no multiplayer required. Shares Indie and Adventure with The Abyss Below.
A cursed legacy awakens something ancient, revealing a terrifying reality never meant for human eyes. Follow your missing uncle’s trail, uncover forbidden secrets, and face a Lovecraftian cosmic horror in this first‑person adventure.