Single-player games like Swarm of the Sea
Below are 8 single-player Steam games similar to Swarm of the Sea, 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 Swarm of the Sea page.
Ranked picks
- 1
Midnight Souvenirs
Single-player alternative to Swarm of the Sea — playable solo, no multiplayer required.
Find unique artifacts and solve charming puzzles in this cozy yet mysterious Hidden Object Game with a Lovecraftian twist! Explore a Victorian mansion, interact with strange visitors, and unravel the house’s dark, eldritch past in this all hand-painted 2D game.
- 2
Quest room: Hanon
Single-player alternative to Swarm of the Sea — playable solo, no multiplayer required. Shares Adventure with Swarm of the Sea.
After 20 years in search of the mysterious Egyptian artifact of Hanon, you managed to find the entrance, but to get inside you need to solve more than one puzzle. You do not have much time, you are locked in 4 walls and oxygen is running out.
- 3
The Room Two
Single-player alternative to Swarm of the Sea — playable solo, no multiplayer required. Shares Adventure with Swarm of the Sea.
Unique events transport you to the halls of a long-forgotten crypt. The only means of escape lies locked within a stone pedestal, along with a note from your mysterious ally. His words promise assistance, but only serve to entice you into a compelling world of mystery and exploration.
- 4
The Room Three
Single-player alternative to Swarm of the Sea — playable solo, no multiplayer required. Shares Adventure with Swarm of the Sea.
Lured to a remote island, you find yourself confined within the rooms of an ominous mansion. You must draw upon all your puzzle-solving ability to navigate a series of trials devised by a mysterious figure known only as “The Craftsman”. Do you have what it takes to escape?
- 5
I'm on Observation Duty 3
Single-player alternative to Swarm of the Sea — playable solo, no multiplayer required. Shares Adventure with Swarm of the Sea.
A thrilling psychological horror game. Your job is to look for anomalies in a haunted house. If you see anyhting suspicious (furniture moving, extra objects, intruders), take a photo and send a report. Includes both VR- (windows only) and non-VR (windows, mac, linux)-versions.
- 6
The Whisperer
Single-player alternative to Swarm of the Sea — playable solo, no multiplayer required. Shares Adventure with Swarm of the Sea.
Investigate an abandoned trading post, explore its surroundings and solve the terrible mystery it holds. The Whisperer is a short story-driven point & click game set in Lower Canada at the beginning of the 19th century.
- 7
ASYLUM
Single-player alternative to Swarm of the Sea — playable solo, no multiplayer required. Shares Adventure with Swarm of the Sea.
An epic supernatural horror adventure and the spiritual successor to cult classic Scratches set in a massive, decaying mental institute. Inspired by H. P. Lovecraft, Hammer Films and twisted Euro Horror from the 80s.
- 8
Play With Me: Escape Room
Single-player alternative to Swarm of the Sea — playable solo, no multiplayer required. Shares Adventure with Swarm of the Sea.
See how a game created by the very Jigsaw would look like! Use the available objects, outwit tricky illusions and optical puzzles and above all, answer the question – will you dare to Play with Me?