Single-player games like Plastomorphosis
Below are 15 single-player Steam games similar to Plastomorphosis, 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 Plastomorphosis page.
Ranked picks
- 1
Haunted Bloodlines
Single-player alternative to Plastomorphosis — playable solo, no multiplayer required. Shares Action and Indie with Plastomorphosis.
Every family has secrets. This house knows yours. Haunted Bloodlines is a first-person psychological horror game where the halls shift, the walls breathe, and the mansion has been waiting for you your whole life.
- 2
ZHITEN
Single-player alternative to Plastomorphosis — playable solo, no multiplayer required. Shares Indie and Adventure with Plastomorphosis.
Some villages aren't just abandoned, they are cursed. Zhiten, a victim of clashing cults, awakens from its slumber with Nikolay's return. While Nikolay searches for traces of the past, he will be forced to meet the village's new owners.
- 3
Mortal Meal
Single-player alternative to Plastomorphosis — playable solo, no multiplayer required. Shares Indie and Adventure with Plastomorphosis.
Play as an untethered spirit, collecting fragments of your past while fleeing a cryptic force looking to consume your soul. Explore and survive an increasingly nightmarish world. Who are you? How will you avoid the harvest of your soul? What will you uncover with the time you have left?
- 4
Phantom Floor
Single-player alternative to Plastomorphosis — playable solo, no multiplayer required. Shares Indie and Adventure with Plastomorphosis.
You are trapped on the Phantom Floor. You must find a way to escape, but keep quiet, it's always listening.
- 5
Connection: The Nightmare Within
Single-player alternative to Plastomorphosis — playable solo, no multiplayer required. Shares Action and Adventure with Plastomorphosis.
Inspired by the classics such as Resident Evil, Silent Hill and Alone In the Dark: Detective Stone investigates a shadow conspiracy. Explore atmospheric levels, fight monsters, and solve puzzles. Unravel a story of twists and turns. Choose classic fixed camera, or over-the-shoulder.
- 6
TRAUMA Broken Paradise
Single-player alternative to Plastomorphosis — playable solo, no multiplayer required. Shares Action and Adventure with Plastomorphosis.
A childhood stolen by brutality, a mind shattered by loss... In the ruins of a forgotten past, Sophia Markwell searches for the truth—will the ghosts of her parents’ murder lead her to redemption, or deeper into madness? And who’s Catherine?
- 7
Mouthwashing
Single-player alternative to Plastomorphosis — playable solo, no multiplayer required. Shares Indie and Adventure with Plastomorphosis.
The five crew members of the Tulpar are stranded in the empty reaches of space, shrouded in perpetual sunset. God is not watching.
- 8
Murder House
Single-player alternative to Plastomorphosis — playable solo, no multiplayer required. Shares Indie and Adventure with Plastomorphosis.
A local news team breaks into an abandoned house to chase a salacious ghost story... until a MANIAC chases them! ...VHS era 80's slasher. PS1 style survival horror!
- 9
Resident Evil
Single-player alternative to Plastomorphosis — playable solo, no multiplayer required. Shares Action and Adventure with Plastomorphosis.
The game that defined the survival-horror genre is back! Check out the remastered HD version of Resident Evil.
- 10
SILENT HILL 2
Single-player alternative to Plastomorphosis — playable solo, no multiplayer required. Shares Action and Adventure with Plastomorphosis.
Investigating a letter from his late wife, James returns to where they made so many memories - Silent Hill. What he finds is a ghost town, prowled by disturbing monsters and cloaked in deep fog. Confront the monsters, solve puzzles, and search for traces of your wife in this remake of SILENT HILL 2.
- 11
Half-Life 2
Single-player alternative to Plastomorphosis — playable solo, no multiplayer required. Shares Action with Plastomorphosis.
Reawakened from stasis in the occupied metropolis of City 17, Gordon Freeman is joined by Alyx Vance as he leads a desperate human resistance. Experience the landmark first-person shooter packed with immersive world-building, boundary-pushing physics, and exhilarating combat.
- 12
Re.Surs
Single-player alternative to Plastomorphosis — playable solo, no multiplayer required. Shares Action and Indie with Plastomorphosis.
Re.Surs is a futuristic story-driven 2D side-scrolling shooter featuring unique heroes with various abilities. Shoot, dash, kick and hack monsters as you try to uncover the secrets of the Re.Surs dark energy and demons' interdimensional invasion.
- 13
Forrader Hero
Single-player alternative to Plastomorphosis — playable solo, no multiplayer required. Shares Indie with Plastomorphosis.
Forrader Hero – turn-based game with roguelike elements where heroes can’t step back and must fight through the end to save their soul in ‘Forgotten Proto.World’ fighting hordes of monsters, undead creatures, and their overlords.
- 14
Snowsquall Grip
Single-player alternative to Plastomorphosis — playable solo, no multiplayer required. Shares Indie and Adventure with Plastomorphosis.
Escape the snowy nightmare or be trapped forever — your call.
- 15
Synthesis of Corruption
Single-player alternative to Plastomorphosis — playable solo, no multiplayer required. Shares Action and Indie with Plastomorphosis.
Emergency Protocol activated: Dark Energy Particle Synthesis failed. Now you – late and alone – must navigate a facility where science and sanity have collapsed. Face entities born from the corruption of dark energy in this atmospheric FPS-horror hybrid, where human ambition meets primal terror.