Single-player games like Leviathan: The Last Day of the Decade
Below are 9 single-player Steam games similar to Leviathan: The Last Day of the Decade, 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 Leviathan: The Last Day of the Decade page.
Ranked picks
- 1

A Rum Case in Fogtown
Single-player alternative to Leviathan: The Last Day of the Decade — playable solo, no multiplayer required. Shares Indie and Adventure with Leviathan: The Last Day of the Decade.
Puppet detectives Sherblock & Blockson are on the case to solve a dastardly sabotage against their favorite pub. You control the story in this madcap comedy joyride!
- 2

Ciella's Casebook
Single-player alternative to Leviathan: The Last Day of the Decade — playable solo, no multiplayer required. Shares Indie and Adventure with Leviathan: The Last Day of the Decade.
Mystery adventure game set one year after the war, following the journey of a war-veteran detective Ciella and her assistant Ricky in the industrial city of Actain.
- 3

Syberia - Remastered
Single-player alternative to Leviathan: The Last Day of the Decade — playable solo, no multiplayer required. Shares Adventure with Leviathan: The Last Day of the Decade.
Rediscover the clockpunk universe of Benoît Sokal in this fully remastered version of the first Syberia game. Join Kate Walker and Oscar, a strange and charming automaton, in pursuit of the brilliant inventor Hans Voralberg, and embark on an adventure more immersive and poetic than ever.
- 4

Hero-U: Rogue to Redemption
Single-player alternative to Leviathan: The Last Day of the Decade — playable solo, no multiplayer required. Shares Indie and Adventure with Leviathan: The Last Day of the Decade.
Hero-U: Rogue to Redemption is a humorous fantasy role-playing adventure game by Lori and Corey Cole, creators of the acclaimed Quest for Glory series. As the Rogue Shawn O'Conner, players will make friends, explore a haunted castle, and use their Rogue skills for fun and profit.
- 5

MAELSTROM LEGACY: The Tesla Mystery
Single-player alternative to Leviathan: The Last Day of the Decade — playable solo, no multiplayer required. Shares Indie and Adventure with Leviathan: The Last Day of the Decade.
The Tesla Mystery is a puzzle-driven adventure game. Join the journey of investigation in a Paris infused with steampunk and Art Nouveau styles. Nikola Tesla, mastermind behind the Science Conference, has vanished under mysterious circumstances. Now, and uncover the truth hidden in the city...
- 6

Tormentum - Dark Sorrow
Single-player alternative to Leviathan: The Last Day of the Decade — playable solo, no multiplayer required. Shares Indie and Adventure with Leviathan: The Last Day of the Decade.
TORMENTUM is a dark Point & Click adventure game.The dreamlike, nightmarish atmosphere of the game was inspired by works of painters H.R. Giger and Zdzislaw Beksinski. The game's final look and feel was also strongly influenced by the universes of games such as Demon's Souls or Dark Seed.
- 7

The Detail
Single-player alternative to Leviathan: The Last Day of the Decade — playable solo, no multiplayer required. Shares Indie and Adventure with Leviathan: The Last Day of the Decade.
The Detail, a crime noir adventure in a modern American city. This is a city where cases matter, clearance rates matter, and on a good day even justice matters.
- 8

The Wolf Among Us
Single-player alternative to Leviathan: The Last Day of the Decade — playable solo, no multiplayer required. Shares Adventure with Leviathan: The Last Day of the Decade.
From the makers of the 2012 Game of the Year: The Walking Dead, comes a thriller based on the award-winning Fables comic books. As Bigby Wolf you will discover that a brutal, bloody murder is just a taste of things to come in a game series where your every decision can have enormous consequences.
- 9

Leviathan: the Cargo — Ongoing series
Single-player alternative to Leviathan: The Last Day of the Decade — playable solo, no multiplayer required. Shares Indie and Adventure with Leviathan: The Last Day of the Decade.
Following the events of The Last Day of the Decade, a band of smugglers carries a chest through the underground tunnels beneath the city of Kroistham in this action-adventure game rich with captivating dialogues and story, choices that matter and optional dungeons to explore.