Games like Mythargia
Games like Mythargia include Murders on the Yangtze River, Sanfu, Look Outside, ANIMAL WELL, and Tales of the Black Forest. We matched them by the tags players give Mythargia on Steam (Adventure, RPG, Exploration, Investigation, and Noir): closest matches first, and among equally close ones the better-known games.

Murders on the Yangtze River
Shared: Adventure · Puzzle · Exploration

Sanfu
Shared: RPG · Adventure · Puzzle

Look Outside
Shared: RPG · Adventure · Pixel Graphics

ANIMAL WELL
Shared: Exploration · Puzzle · Adventure

Tales of the Black Forest
Shared: RPG · Adventure · Pixel Graphics

Outer Wilds
Shared: Exploration · Adventure · Puzzle

Blue Prince
Shared: Exploration · Puzzle · Investigation

DISTRAINT: Deluxe Edition
Shared: Adventure · 2D · Pixel Graphics

Terraria
Shared: Adventure · 2D · Exploration

DAVE THE DIVER
Shared: Adventure · Exploration · Pixel Graphics

Five Nights at Freddy's: Into the Pit
Shared: Adventure · Exploration · Pixel Graphics

Ib
Shared: Exploration · RPG · Pixel Graphics

OneShot
Shared: Pixel Graphics · Adventure · Puzzle

The Witch's House MV
Shared: RPG · Adventure · 2D

Sally Face - Episode One
Shared: Adventure · Puzzle · Dark

OMORI
Shared: RPG · Pixel Graphics · Adventure

The Forgotten City
Shared: Adventure · Exploration · Investigation

The Painscreek Killings
Shared: Investigation · Exploration · Puzzle

Lorelei and the Laser Eyes
Shared: Adventure · Exploration · Puzzle

Strange Horticulture
Shared: Puzzle · Investigation · Adventure

LIMBO
Shared: Puzzle · Adventure · 2D

Firework
Shared: Puzzle · 2D · Horror

WILL: A Wonderful World / WILL:美好世界
Shared: RPG · Adventure · Exploration

INMOST
Shared: Adventure · Exploration · Pixel Graphics