Games like Thalassomania
If Thalassomania is your kind of game, the closest matches are Fathoms, Granny Remake: 2 and Toy Scrappers — picked from the ranked list below. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.
Get personalized picks →About Thalassomania: A PS1-style co-op horror game for 1–4 players. Set at sea, you run a fishing trawler with your crew — haul, gut, steer, repair — while something lurks in the shadows. Keep the ship alive. Get home. You're not alone out there.
Players who liked Thalassomania also play
Steam players who put hours into Thalassomania also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.
Fathoms
WHY THIS
Top pick for Thalassomania fans by collaborative filtering across millions of Steam libraries. Shares Action with Thalassomania.
Gather your crew and set off through hostile waters in this terrifying co-op survival game for up to 4 players. Scavenge for fuel, gear, and scrap while nameless horrors rise from beneath the waves to deny your escape.
Granny Remake: 2
WHY THIS
Second-strongest match for Thalassomania fans by collaborative filtering across millions of Steam libraries. Shares Action with Thalassomania.
Survive a terrifying farm in this co-op multiplayer horror! Hide in cornfields, solve procedural puzzles, and escape before the nightmarish Grandparents find you. Or, play as the killers and hunt your friends down in asymmetrical PvP madness. No two escapes are ever the same.
Toy Scrappers
WHY THIS
Third-strongest match for Thalassomania fans by collaborative filtering across millions of Steam libraries. Shares Action with Thalassomania.
Toy Scrappers is a thrilling chase-based horror game that can be played with up to 16 players. Some players take on the role of a killer attempting to capture others. Escape the madness and stay alive!
Train 404
WHY THIS
Ranked #4 for Thalassomania fans by collaborative filtering across millions of Steam libraries. Shares Action with Thalassomania.
A first-person co-op horror game where you collect coins, find the Golden Ticket, and race back to the train while monsters close in.
LIVING HELL
WHY THIS
Ranked #5 for Thalassomania fans by collaborative filtering across millions of Steam libraries. Shares Action with Thalassomania.
A co-op horror where you must escape a city in ruins, as solar radiation twists animals and humans into terrifying mutations. From the creator of DEVOUR.
The Blackout Club
WHY THIS
Ranked #6 for Thalassomania fans by collaborative filtering across millions of Steam libraries. Shares Action and Simulation with Thalassomania.
The Blackout Club is a first-person co-op horror game centered around a group of teenage friends investigating a monstrous secret beneath the skin of their small town. 1-4 players explore procedurally-generated missions against a fearsome enemy you can only see with your eyes closed.
MISERY
WHY THIS
Ranked #7 for Thalassomania fans by collaborative filtering across millions of Steam libraries. Shares Action and Simulation with Thalassomania.
MISERY is a 1–5 player co-op survival game set in a nuclear disaster zone. Here, every day is a struggle: search radioactive ruins for resources, build your bunker, craft weapons, and explore a weird, procedurally-generated world with your friends. Beware of anomalies, monsters, and armed bandits.
The Persistence
WHY THIS
Ranked #8 for Thalassomania fans by collaborative filtering across millions of Steam libraries. Shares Action with Thalassomania.
Survive aboard a doomed deep space colony starship, overrun with horrific and murderous aberrations. Explore, evade and fight your way through the depths to bring the ship back to Earth. Gather resources, upgrade abilities and fabricate an arsenal of weapons in this sci-fi horror roguelite.
Free alternatives
Free-to-play games that recommended players of this title also tend to enjoy.
Doki Doki Literature Club!
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it.
The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.
Ultimate Custom Night
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Thalassomania.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
Indigo Park: Chapter 1
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Thalassomania.
Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.
STRAFTAT
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Thalassomania.
STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.
Counter-Strike:Global Offensive
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Thalassomania.
Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).
missed messages.
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Simulation with Thalassomania.
‘goth gf’s iPhone’ airdrops you - accept or decline? A love/horror story about life, death, & memes.
Dagon: by H. P. Lovecraft
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it.
Face unspeakable horrors. Succumb to madness. Welcome to a free daemonic narrative experience inspired by H. P. Lovecraft.
Paper Lily - Chapter 1
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it.
Paper Lily is an RPG horror game in which you can solve puzzles in different ways. Explore a hidden world, meet strange characters, and guide Lacie as she attempts to find answers about her unusual condition.
Narrow it down
Head-to-head comparisons
Frequently asked about Thalassomania
- Does Thalassomania have multiplayer or co-op?
- Yes — Thalassomania supports multi-player play according to its Steam store listing (Multi-player, Online Co-op, LAN Co-op).
- What games are most similar to Thalassomania?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Thalassomania are Fathoms, Granny Remake: 2, Toy Scrappers.
- Who developed Thalassomania?
- Thalassomania was developed by OffTheHookGames.
imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Thalassomania.
For library-aware picks tuned to your specific taste, sign in with Steam on the home page.