Single-player games like Blue Book
Below are 11 single-player Steam games similar to Blue Book, 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 Blue Book page.
Ranked picks
- 1
Sleuth Saga: Under Starless Skies
Single-player alternative to Blue Book — playable solo, no multiplayer required. Shares Indie and Adventure with Blue Book.
Find clues, question witnesses, and debate stubborn opponents to piece together a grand political conspiracy and solve a string of mysterious murders. Discover the detailed world of Libertia as you unravel a web of lies by pulling on the thread of truth!
- 2
The Creature: Escape Room
Single-player alternative to Blue Book — playable solo, no multiplayer required. Shares Indie and Adventure with Blue Book.
You are a detective sent to investigate the mistreatment of a mysterious creature. In this escape room there are not only puzzles, but also characters and history.
- 3
Oniria Crimes
Single-player alternative to Blue Book — playable solo, no multiplayer required. Shares Indie and Adventure with Blue Book.
Oniria Crimes is an interactive noir novel with point & click mechanics. Explore crime scenes in a dreamlike world where objects are the only witnesses. Six cases, a hidden conspiracy. Only you can uncover the truth behind the crimes of Oniria.
- 4
Nirvana Noir
Single-player alternative to Blue Book — playable solo, no multiplayer required. Shares Indie and Adventure with Blue Book.
A noir adventure beyond time and space. The city of cosmic beings is under threat in two parallel realities - one where the Big Bang was never fired, the other exploding in color and sin. It’s up to you to solve the mysteries of the Bigger Bang in this follow up to the award-winning Genesis Noir.
- 5
Night Cascades
Single-player alternative to Blue Book — playable solo, no multiplayer required. Shares Indie and Adventure with Blue Book.
The city is on fire, and the Devil is to blame - or is it? Two women must solve an occult-themed mystery set in an alternate 1980s while unraveling the secrets of their past. Hunt for clues and interrogate suspects in this interactive yuri visual novel.
- 6
The Dark Side of the Moon: An Interactive FMV Thriller
Single-player alternative to Blue Book — playable solo, no multiplayer required. Shares Indie and Adventure with Blue Book.
When his 2 young children vanish mysteriously throughout the night, it's up to single-dad Dean Hamilton to do what any good dad would do: Go to the end of the universe and bring them back home in this thrilling FMV/Interactive Movie.
- 7
A Death in the Red Light
Single-player alternative to Blue Book — playable solo, no multiplayer required. Shares Indie and Adventure with Blue Book.
Amsterdam, 1988. A dead body in the Red Light District, the Dutch capital of sex and drugs, is a washed-up detective’s one shot at redemption. Explore the seedy underbelly of Europe’s most notorious city, solve complex puzzles, and crack the case while experiencing Amsterdam at its worst.
- 8
The Operator
Single-player alternative to Blue Book — playable solo, no multiplayer required. Shares Indie and Adventure with Blue Book.
Welcome to the FDI. As our newest Operator, your role is to use your detective skills to assist our field agents and investigate mysterious crimes. Use cutting-edge FDI software to dig for clues, solve puzzles, and uncover the truth.
- 9
Whatever It Takes
Single-player alternative to Blue Book — playable solo, no multiplayer required. Shares Adventure and RPG with Blue Book.
Whatever It Takes is a hardcore first-person Action RPG in a dark fantasy setting. As a fallen god, master elemental magic, absorb enemy powers, and engage in tactical duels. Use a harpoon for traversal and shape the Omnisphere’s fate through your choices. Reclaim your throne. Whatever it takes.
- 10
Dungeon Dominator
Single-player alternative to Blue Book — playable solo, no multiplayer required.
Build and expand your own warm, cozy dungeon where your minions live miserable lives and do their evil things. Take part in thrilling battles against humans, angels, and powerful bosses, defending your domain. Conquer the world by commanding an army with a wave of your hand!
- 11
Spider Matrix
Single-player alternative to Blue Book — playable solo, no multiplayer required.
Expedition is dead, but your mind woke inside a mechanical spider. Become a fatal glitch in the Machine Swarm network, which arrived for a fifth-dimension fragment. Scale walls, strip enemy weapons, and destroy the Hive Mind to save the planet.