Single-player games like Gamedec - Definitive Edition
Below are 20 single-player Steam games similar to Gamedec - Definitive Edition, 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 Gamedec - Definitive Edition page.
Ranked picks
- 1
Lacuna – A Sci-Fi Noir Adventure
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required. Shares Indie and Adventure with Gamedec - Definitive Edition.
A murder. A hack. A bombing. All it takes to plunge the solar system into war – unless you do something about it. Help CDI agent Neil Conrad make a string of increasingly difficult decisions in this modern dialog-driven adventure set in a gorgeous 2D sci-fi noir universe.
- 2
Disco Elysium - The Final Cut
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required. Shares RPG with Gamedec - Definitive Edition.
Disco Elysium - The Final Cut is a groundbreaking role playing game. You’re a detective with a unique skill system at your disposal and a whole city to carve your path across. Interrogate unforgettable characters, crack murders or take bribes. Become a hero or an absolute disaster of a human being.
- 3
BEAUTIFUL DESOLATION
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required. Shares Indie and Adventure with Gamedec - Definitive Edition.
BEAUTIFUL DESOLATION is an isometric, point & click adventure game set in a post-apocalyptic future. Explore an unscene landscape, solve puzzles, meet new friends and make powerful enemies, mediate conflicts and fight for your life as you unravel the secrets of the desolate world around you.
- 4
of the Devil
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required. Shares Indie and Adventure with Gamedec - Definitive Edition.
Immerse yourself in neon, smoke, and high-stakes legal gambles as a Defense Attorney with uniquely Killer insights in this episodic, diabolically stylish visual novel adventure game.
- 5
Lucifer Within Us
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required. Shares Indie with Gamedec - Definitive Edition.
Solve 3 increasingly intricate murders by examining the evidence -- find the motive, the means, and the opportunity. Use testimonies of the suspects as evidence by examining every detail for contradictions... and signs of sin. Purify the possessed. Purge the daemons.
- 6
Chinatown Detective Agency
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required. Shares Adventure with Gamedec - Definitive Edition.
Chinatown Detective Agency is a cybernoir point and click adventure blending stunning retro design with innovative mechanics. Play as Amira Darma, an ex-cop who has just opened her own detective agency. Choose your clients, travel around the world and solve dangerous cases using real world research.
- 7
Citizen Sleeper 2: Starward Vector
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required. Shares Indie and Adventure with Gamedec - Definitive Edition.
A dice-driven RPG, in a human and heartfelt sci-fi world. You are an escaped android, with a malfunctioning body, a price on your head and no memory of your past. Get a ship, find a crew, and take on contracts while you navigate across the Starward Belt.
- 8
Neo Cab
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required. Shares Indie and Adventure with Gamedec - Definitive Edition.
A visual novel about emotional survival in an automated world. Play as Lina, the last human cab driver. It’s your first night driving the lonely streets of Los Ojos, and your best friend has just disappeared. Stay on the road. Stay on the search. Stay human.
- 9
Shadowrun Returns
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required. Shares Indie and Adventure with Gamedec - Definitive Edition.
The unique cyberpunk-meets-fantasy world of Shadowrun has gained a huge cult following since its creation nearly 25 years ago. Now, creator Jordan Weisman returns to the world of Shadowrun, modernizing this classic game setting as a single player, turn-based tactical RPG.
- 10
Outer Wilds
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required. Shares Adventure with Gamedec - Definitive Edition.
Named Game of the Year 2019 by Giant Bomb, Polygon, Eurogamer, and The Guardian, Outer Wilds is a critically-acclaimed and award-winning open world mystery about a solar system trapped in an endless time loop.
- 11
Detroit: Become Human
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required. Shares Adventure with Gamedec - Definitive Edition.
Detroit: Become Human puts the destiny of both mankind and androids in your hands, taking you to a near future where machines have become more intelligent than humans. Every choice you make affects the outcome of the game, with one of the most intricately branching narratives ever created.
- 12
Golden Axe Idol
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required. Shares Indie and RPG with Gamedec - Definitive Edition.
One day an Ice Pillar appeared in the world, freezing everything up to the borders of small southern town, Forge Town. A blacksmith girl living there wants to create the strongest Golden Axe, so she can use it to cut down the Ice Pillar and save the world.
- 13
Nobody Wants to Die
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required. Shares Adventure with Gamedec - Definitive Edition.
Lose yourself in the dystopian world of New York, 2329; immortality comes at a price that someone has to pay. In this interactive noir story, lead the investigation using advanced technology, as Detective James Karra who risks it all in pursuit of a serial killer targeting the city’s elite.
- 14
Into The Matrix
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required. Shares Indie and Adventure with Gamedec - Definitive Edition.
"Into The Matrix" is a multiplayer horror game where you and your friends must explore, survive, and outsmart dangers . Many entities are after you, but the Overseer is the true threat. Can you escape its grasp?
- 15
Observer: System Redux
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required. Shares Indie and Adventure with Gamedec - Definitive Edition.
A first‑person cyberpunk horror detective story set in a decaying, neon‑scarred future. As an Observer who invades minds to hunt for clues, you will sift through corrupted memories to track down a mysterious killer and confront your own dark past.
- 16
Layers of Fear
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required. Shares Adventure with Gamedec - Definitive Edition.
The era-defining first-person psychological horror in all its terrifying glory. All of the game’s chapters collected into one convenient package that allows you to plumb the depths of madness in pursuit of artistic revelation.
- 17
Painkiller
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required.
The classic Painkiller series is back! Battle through Purgatory in fast-paced co-op action, wielding infernal weapons against relentless demonic hordes. Condemned for your sins, the Voice of the Creator offers you a chance at redemption. Will you seize it or be lost to darkness?
- 18
Detached
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required. Shares Indie with Gamedec - Definitive Edition.
Detached is a suspenseful interstellar duel that demands tactics and skill to survive. Separated from your unit you must make smart decisions and race to safety in this visceral exploration of deep space. Strap yourself into your spacesuit for thrilling gameplay designed for VR headsets.
- 19
Detached: Non-VR Edition
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required. Shares Indie with Gamedec - Definitive Edition.
Detached, a suspenseful interstellar duel that demands tactics and skill to survive, is now available in a non-VR version! Separated from your unit, you must make smart decisions and race to safety in this visceral exploration of deep space.
- 20
Telefrag VR
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required. Shares Indie with Gamedec - Definitive Edition.
Telefrag VR is a hellishly fast-paced shooter with visceral movement and combat mechanics. Dash, shoot, and teleport around unique arenas that feature impossible geometry where there is no right side up and death can come from any direction.