Single-player games like The Mildew Children: Chapter 1
Below are 9 single-player Steam games similar to The Mildew Children: Chapter 1, 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 The Mildew Children: Chapter 1 page.
Ranked picks
- 1

The Mildew Children
Single-player alternative to The Mildew Children: Chapter 1 — playable solo, no multiplayer required. Shares Adventure with The Mildew Children: Chapter 1.
Featuring a blend of 2D adventure and visual novel, The Mildew Children is a grim tale about a village inhabited only by children who follow savage pagan traditions. A young witch named Kyrphel, along with her sisters, are bound to perform a macabre Ritual in order to save their village.
- 2

Rainswept
Single-player alternative to The Mildew Children: Chapter 1 — playable solo, no multiplayer required. Shares Adventure with The Mildew Children: Chapter 1.
Rainswept takes you on an emotional adventure in a small town shaken by a double shooting. Join Detective Stone and unravel a tangled web of love, relationships, and unresolved trauma in this character-driven murder mystery game.
- 3

Tokyo Dark
Single-player alternative to The Mildew Children: Chapter 1 — playable solo, no multiplayer required. Shares Adventure with The Mildew Children: Chapter 1.
Legend tells of a door deep below Tokyo's sewers. All who enter are lost forever. Detective Ito's partner is missing. Explore Tokyo & uncover the darkness that lays beneath the streets in this Point & Click - meets Visual Novel - narrative adventure that questions the very core of Ito's sanity.
- 4

Danganronpa V3: Killing Harmony
Single-player alternative to The Mildew Children: Chapter 1 — playable solo, no multiplayer required. Shares Adventure with The Mildew Children: Chapter 1.
A new cast of 16 characters find themselves kidnapped and imprisoned in a school. Inside, some will kill, some will die, and some will be punished. Reimagine what you thought high-stakes, fast-paced investigation was as you investigate twisted murder cases and condemn your new friends to death.
- 5

Paradise Killer
Single-player alternative to The Mildew Children: Chapter 1 — playable solo, no multiplayer required. Shares Adventure with The Mildew Children: Chapter 1.
Paradise Island, a world outside reality. There’s been a murder that only "investigation freak" Lady Love Dies can solve. Gather evidence and interrogate suspects in this open world adventure. You can accuse anyone, but you’ll have to prove your case in trial. It’s up to you to decide who’s guilty.
- 6

Unavowed
Single-player alternative to The Mildew Children: Chapter 1 — playable solo, no multiplayer required. Shares Adventure with The Mildew Children: Chapter 1.
A demon has possessed you and used your body to tear a swath of bloodshed through New York. You are now free, but life as you knew it is over. Your only path forward is joining the Unavowed - an ancient society dedicated to stopping evil. No matter what the cost.
- 7

Go Home Annie: An SCP Game
Single-player alternative to The Mildew Children: Chapter 1 — playable solo, no multiplayer required. Shares Adventure with The Mildew Children: Chapter 1.
A twisted psychological thriller and an original story set in the SCP universe. As an employee of the SCP Foundation, test artificially created paranormal events, solve puzzles, interact with anomalies, and uncover the secrets of the Replication Division.
- 8

Enigma of Fear
Single-player alternative to The Mildew Children: Chapter 1 — playable solo, no multiplayer required. Shares Adventure with The Mildew Children: Chapter 1.
Become Mia, a paranormal detective searching for her missing father inside the Perimeter - a place that doesn't exist. Investigate clues like a real detective and unravel the mysteries behind the Enigma of Fear, defeating the terrible monsters who'll try to stop you.
- 9

Sister Ray
Single-player alternative to The Mildew Children: Chapter 1 — playable solo, no multiplayer required. Shares Adventure with The Mildew Children: Chapter 1.
2D RPG about the brutal daily life of Ray - an artist struggling with addiction, who takes care of her little sister. Look after your condition - no one should know about the addiction. Improve your skills, sell paintings, do everything to ease the withdrawal. Survive and look for a way out.