Games like oneway.exe: Module 1.0
Games like oneway.exe: Module 1.0 include Sally Face - Episode One, Poppy Playtime, Firework, Outer Wilds, and OMORI. We matched them by the tags players give oneway.exe: Module 1.0 on Steam (Horror, Puzzle, Lore-Rich, Replay Value, and Hand-drawn): closest matches first, and among equally close ones the better-known games.

Sally Face - Episode One
Shared: Horror · Puzzle · Psychological Horror

Poppy Playtime
Shared: Horror · Puzzle · Psychological Horror

Firework
Shared: Horror · Puzzle · Mystery

Outer Wilds
Shared: Mystery · Puzzle · Exploration

OMORI
Shared: Psychological Horror · Horror · Story Rich

Cube Escape Collection
Shared: Puzzle · Horror · Mystery

Inside the Backrooms
Shared: Horror · Puzzle · Psychological Horror

Rusty Lake Paradise
Shared: Puzzle · Horror · Psychological Horror

We Were Here
Shared: Puzzle · Horror · Mystery

SOMA
Shared: Horror · Psychological Horror · Story Rich

Murders on the Yangtze River
Shared: Puzzle · Mystery · Story Rich

Fran Bow
Shared: Puzzle · Horror · Psychological Horror

Servant of the Lake
Shared: Puzzle · Horror · Psychological Horror

Blue Prince
Shared: Puzzle · Mystery · Exploration

Little Nightmares II
Shared: Horror · Puzzle · Psychological Horror

No, I'm not a Human
Shared: Horror · Psychological Horror · Multiple Endings

Slay the Princess — The Pristine Cut
Shared: Horror · Psychological Horror · Lore-Rich

Strange Horticulture
Shared: Puzzle · Mystery · Lore-Rich

MiSide
Shared: Horror · Psychological Horror · Story Rich

Garten of Banban
Shared: Horror · Puzzle · Psychological Horror

Lorelei and the Laser Eyes
Shared: Puzzle · Horror · Mystery

The Room Two
Shared: Puzzle · Horror · Mystery

Bendy and the Ink Machine
Shared: Horror · Puzzle · Mystery

The Painscreek Killings
Shared: Puzzle · Mystery · Horror