Single-player games like The Sirena Expedition
Below are 8 single-player Steam games similar to The Sirena Expedition, 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 Sirena Expedition page.
Ranked picks
- 1
Beneath
Single-player alternative to The Sirena Expedition — playable solo, no multiplayer required. Shares Adventure with The Sirena Expedition.
Beneath is a Lovecraft-inspired survival FPS. Scarce ammo, merciless enemies and a sense of the unknown combine in a 10+ hour, story-driven single player campaign, built for both veteran gamers and those seeking a challenging old school experience.
- 2
Reveal The Deep
Single-player alternative to The Sirena Expedition — playable solo, no multiplayer required. Shares Indie with The Sirena Expedition.
Reveal The Deep is a short exploration game set in the wreck of a 19th century steamship. Navigate through expansive levels, uncovering the stories of the ship's demise and it's passengers. Keep your nerve, your wits about you, and prepare to reveal the secrets of the deep.
- 3
The Shore
Single-player alternative to The Sirena Expedition — playable solo, no multiplayer required. Shares Indie and Adventure with The Sirena Expedition.
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.
- 4
Call of the Sea
Single-player alternative to The Sirena Expedition — playable solo, no multiplayer required. Shares Indie and Adventure with The Sirena Expedition.
Join Norah, a woman plagued by a mysterious illness, in her search for her missing husband in this adventure puzzle game set on a lush island paradise. Immerse yourself in stunning visuals and unlock forbidden secrets in a moving tale of mystery and love.
- 5
Stirring Abyss
Single-player alternative to The Sirena Expedition — playable solo, no multiplayer required. Shares Indie and Adventure with The Sirena Expedition.
Stirring Abyss is an indie tactical squad-based game with strong RPG elements in which you uncover the ancient mysteries of the depths depicted in the classic vein of Lovecraftian horror.
- 6
Narcosis
Single-player alternative to The Sirena Expedition — playable solo, no multiplayer required. Shares Indie and Adventure with The Sirena Expedition.
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 Last Case of Benedict Fox Definitive Edition
Single-player alternative to The Sirena Expedition — playable solo, no multiplayer required. Shares Indie and Adventure with The Sirena Expedition.
Take on the last case of Benedict Fox and dive into a twisted world of secret organizations, forbidden rituals, and cold-blooded murders. Explore the memories of deceased victims as you search for clues and fight demons in this fantastical Lovecraftian Metroidvania.
- 8
Pseudoregalia
Single-player alternative to The Sirena Expedition — playable solo, no multiplayer required. Shares Indie and Adventure with The Sirena Expedition.
Deep within the realm of sleep, Sybil finds herself pulled to a distorted castle. Grow strong, and unlock new abilities to build up a deep movement system, fight enemies, find secrets, and free the weary soul of Castle Sansa, in this retro-inspired 3D Platformer Metroidvania.