Single-player games like D.E.C.A.Y.
Below are 8 single-player Steam games similar to D.E.C.A.Y., 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 D.E.C.A.Y. page.
Ranked picks
- 1
Z.O.N.A Project X VR
Single-player alternative to D.E.C.A.Y. — playable solo, no multiplayer required. Shares Action and RPG with D.E.C.A.Y..
Z.O.N.A Project X - thrilling single-player VR shooter. Explore Chornobyl's exclusion zone, a hazardous apocalyptic world filled with anomalies. Survive using your weapons, scavenge for resources, and save humanity from doom.
- 2
Z.O.N.A: Origin
Single-player alternative to D.E.C.A.Y. — playable solo, no multiplayer required. Shares Action and Indie with D.E.C.A.Y..
Z.O.N.A: Origin is an immersive adventure in a harsh post-apocalyptic world. Dive into a captivating story, explore a stunning open world, avoid dangerous anomalies, and hunt for powerful artifacts. Every choice you make can be decisive in this unpredictable world.
- 3
CONVRGENCE
Single-player alternative to D.E.C.A.Y. — playable solo, no multiplayer required. Shares Action and Early Access with D.E.C.A.Y..
CONVRGENCE is an atmospheric VR extraction shooter set in the procedurally generated, ever-changing Chernokamensk Anomaly Zone. Scavenge loot, fight bandits and hunt for mystical artifacts — all with your loyal dog companion by your side. But extract before nightfall, or face what lurks in the dark.
- 4
Into the Radius VR
Single-player alternative to D.E.C.A.Y. — playable solo, no multiplayer required. Shares Action and Indie with D.E.C.A.Y..
Into the Radius is a single-player survival shooter in VR. Explore the Pechorsk zone filled with surreal landscapes and dangerous anomalies. Defend yourself with realistic firearms, recover strange artifacts, scavenge for loot, and uncover the mysteries of this unforgiving dystopian environment.
- 5
The Walking Dead: Saints & Sinners - Chapter 2: Retribution
Single-player alternative to D.E.C.A.Y. — playable solo, no multiplayer required. Shares Action and RPG with D.E.C.A.Y..
Hunted by the seemingly unstoppable Axeman and facing off against the Tower’s latest push for total dominance, discover what connects these new threats together before it’s too late. New faces, places, weapons and gear all await you on your journey to a final showdown for the city's fate.
- 6
Into the Radius 2
Single-player alternative to D.E.C.A.Y. — playable solo, no multiplayer required. Shares Action and Indie with D.E.C.A.Y..
Into the Radius 2 is an immersive VR survival shooter, set in a realm of surreal landscapes and deadly entities known as Pechorsk Anomaly. Arm yourself with realistic weapons and venture deeper into the mysteries that lie within, either solo or with a friend by your side.
- 7
The Walking Dead: Saints & Sinners
Single-player alternative to D.E.C.A.Y. — playable solo, no multiplayer required. Shares Action and Indie with D.E.C.A.Y..
Saints & Sinners is a game unlike any other in The Walking Dead universe. Every challenge you face and decision you make is driven by YOU. Fight the undead, scavenge through the flooded ruins of New Orleans, and face gut-wrenching choices for you and the other survivors. Live The Walking Dead.
- 8
Survival Nation
Single-player alternative to D.E.C.A.Y. — playable solo, no multiplayer required. Shares Action and Indie with D.E.C.A.Y..
An open-world online RPG, survival game designed for VR. In this game, you will kill hundreds of zombies, acquire weapons, learn new skills, craft, explore the world, complete quests, and fight for survival. Choose from three modes: Solo, PVE, and PVP. Will you join a Survival Nation?