Games like Psyche et al
Games like Psyche et al include Sovereign Tower, Hades, Pyre, OMORI, and To the Moon. We matched them by the tags players give Psyche et al on Steam (Indie, Hand-drawn, Dialogue Heavy, Mythology, and Visual Novel): closest matches first, and among equally close ones the better-known games.

Sovereign Tower
Shared: Indie · Visual Novel · Dialogue Heavy

Hades
Shared: Indie · Mythology · Story Rich

Pyre
Shared: Indie · RPG · Visual Novel

OMORI
Shared: Indie · Story Rich · Hand-drawn

To the Moon
Shared: Indie · Story Rich · RPG

Black Myth: Wukong
Shared: Mythology · RPG · Story Rich

鬼谷八荒 Tale of Immortal
Shared: Mythology · RPG · Singleplayer

Tales of the Black Forest
Shared: Indie · RPG · Story Rich

GRIS
Shared: Indie · Hand-drawn · Female Protagonist

Hades II
Shared: Mythology · RPG · Female Protagonist

Florence
Shared: Indie · Story Rich · Romance

Firework
Shared: Indie · Visual Novel · Hand-drawn

Slay the Princess — The Pristine Cut
Shared: Visual Novel · Hand-drawn · Story Rich

Sanfu
Shared: RPG · Hand-drawn · Visual Novel

Hollow Knight: Silksong
Shared: Indie · Singleplayer · 2D

LiEat
Shared: Indie · Hand-drawn · Story Rich

Undertale
Shared: Story Rich · Indie · RPG

Child of Light
Shared: RPG · Female Protagonist · Hand-drawn

Far Away
Shared: Visual Novel · Story Rich · Indie

Sword and Fairy 7
Shared: RPG · Mythology · Story Rich

My Vow to My Liege
Shared: Visual Novel · Female Protagonist · Indie

Carto
Shared: Indie · Hand-drawn · Story Rich

OPUS: Echo of Starsong - Full Bloom Edition
Shared: Visual Novel · Indie · Story Rich

Hellblade: Senua's Sacrifice
Shared: Mythology · Story Rich · Female Protagonist