Single-player games like Gamedec - Definitive Edition
Below are 23 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
Glasshouse
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required. Shares RPG with Gamedec - Definitive Edition.
Feudalpunk CRPG, with Turn-based combat, set in a lockdown apartment block at the dawn of a world war. Investigate the mysterious triple murder next door, fight the Political Conspiracy, and make terrible choices before the flatmates do it for you!
- 2
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.
- 3
Svarog's Dream
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required. Shares Adventure and RPG with Gamedec - Definitive Edition.
Awaken as a soul from the Underworld. Discover who you are and explore an ever-changing open world full of mystery. Battle beasts and gods, or forge alliances with them. Die and be reborn in this adventure.
- 4
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.
- 5
Escape the Exomoon
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required. Shares Indie and Adventure with Gamedec - Definitive Edition.
ESCAPE THE EXOMOON is a narrative driven cyberpunk sci-fi horror game. Hack, hide, and fight your way across an abandoned space colony. Will you sacrifice your sanity for survival?
- 6
Crux Diaries RPG
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required. Shares Indie and Adventure with Gamedec - Definitive Edition.
A turn-based isometric non-linear indie CRPG inspired by the classics. Explore an alternate-history dystopian country on the brink of a civil war and leave your mark on its future.
- 7
Chrysanthemum: On the Way to Sweet Dreams
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required. Shares Adventure with Gamedec - Definitive Edition.
A high school senior with superpowers longs to confess her feelings to her chemistry teacher, but the island’s mysterious anomalies turn her world upside down. A non-linear otome visual novel filled with sinister mysteries and complicated choices.
- 8
Lovely Lady RPG
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required. Shares Indie and RPG with Gamedec - Definitive Edition.
Lovely Lady RPG is a visual novel about wandering around and just sort of seeing what life has in store for you. After waking up with a hole in her ceiling, a cosmic space Orb embedded in her chest and no recollection of basically anything, Ghost sets out to continue her life as best she can.
- 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
Ready Player One: OASIS beta
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required. Shares Adventure with Gamedec - Definitive Edition.
The Ready Player One: OASIS beta is the 2018 beta phase of the immersive virtual universe from the film, Ready Player One. In the OASIS, you can go anywhere, do anything, be anyone—the only limits of reality are your own imagination.
- 12
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.
- 13
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.
- 14
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.
- 15
Elysium
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required. Shares Indie and Adventure with Gamedec - Definitive Edition.
Wake up on a paradise-like abandoned island with your friends. Explore the lands of an ancient civilization and uncover the mysteries behind their collapse as you build, craft, and tame corrupted machines. Most importantly, survive the unwelcome lands of Elysium!
- 16
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?
- 17
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.
- 18
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.
- 19
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?
- 20
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.
- 21
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.
- 22
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.
- 23
Bus Station Simulator
Single-player alternative to Gamedec - Definitive Edition — playable solo, no multiplayer required. Shares Indie with Gamedec - Definitive Edition.
In Bus Station Simulator, take over a forgotten bus station and bring it back to life - solo or in co-op! Take care of passengers, your fleet, and the infrastructure as you transform a rundown terminal into the beating heart of Winston Springs.