Single-player games like Remnants of R'lyeh
Below are 9 single-player Steam games similar to Remnants of R'lyeh, 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 Remnants of R'lyeh page.
Ranked picks
- 1
Why's It Getting DARKER?!
Single-player alternative to Remnants of R'lyeh — playable solo, no multiplayer required. Shares Action and Indie with Remnants of R'lyeh.
The light is your only lifeline. Descend into a crushing, thalassophobic abyss where every photograph could be your last. Investigate unpredictable deep-sea horrors and explore the vast, dark unknown - all while being 'assisted' by a darkly sarcastic AI.
- 2
Drowned Echo
Single-player alternative to Remnants of R'lyeh — playable solo, no multiplayer required. Shares Action and Indie with Remnants of R'lyeh.
Drowned Echo is a narrative-driven VR horror experience in which you explore a sunken ship, using your hands to swim, interact with tools, and uncover a Lovecraftian presence that is corrupting the environment.
- 3
Seal The Breach
Single-player alternative to Remnants of R'lyeh — playable solo, no multiplayer required. Shares Indie and Adventure with Remnants of R'lyeh.
A 3D survival experience set within a cramped one-man submarine exploring a hostile ocean trench.
- 4
We Need To Go Deeper
Single-player alternative to Remnants of R'lyeh — playable solo, no multiplayer required. Shares Action and Indie with Remnants of R'lyeh.
DIVE. DISCOVER. DIE. Crew a submarine with friends in We Need To Go Deeper - a 2-4-player cooperative submarine roguelike set in a Verne-inspired undersea universe.
- 5
Lonely Space
Single-player alternative to Remnants of R'lyeh — playable solo, no multiplayer required. Shares Action and Indie with Remnants of R'lyeh.
Lonely Space is a sci-fi immersive sim inspired by System Shock 2, Dead Space and Prey. You find yourself awakened from hibernation in the docking bay of the Cassiopeia Space Station. The rest of the crew vanished a long time ago. You need to find them and unravel the secrets of Cassiopeia Station.
- 6
Memories Loaming
Single-player alternative to Remnants of R'lyeh — playable solo, no multiplayer required. Shares Action and Indie with Remnants of R'lyeh.
A horror anthology about people working along a remote highway in Labrador, Canada. Try to remain balanced and lucid at your normal job. Also, there's a bear.
- 7
Sunken Veins
Single-player alternative to Remnants of R'lyeh — playable solo, no multiplayer required. Shares Action and Indie with Remnants of R'lyeh.
Sunken Veins is a resource management horror game set in a deep sea mining facility. You collect resources deposited by an underwater drill, avoid adaptive monsters and drain away overwhelming floods of water caused from mining operations.
- 8
The Trench
Single-player alternative to Remnants of R'lyeh — playable solo, no multiplayer required. Shares Action and Indie with Remnants of R'lyeh.
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?
- 9
Cthulhu: Death Escape / 克苏鲁:死亡逃脱 Prototype
Single-player alternative to Remnants of R'lyeh — playable solo, no multiplayer required. Shares Action and Indie with Remnants of R'lyeh.
Trapped in an eerie dungeon, you must solve puzzles and evade lurking horrors to find the only chance of survival. Every step could lead you to freedom...or to your demise...