Games like Three Sisters
Games like Three Sisters include OMORI, Hylics, Felvidek, LiEat, and FINAL FANTASY. We matched them by the tags players give Three Sisters on Steam (RPG, Surreal, Perma Death, Party-Based RPG, and Walking Simulator): closest matches first, and among equally close ones the better-known games.

OMORI
Shared: RPG · Pixel Graphics · 2D

Hylics
Shared: Surreal · RPG · Indie

Felvidek
Shared: RPG · Pixel Graphics · 2D

LiEat
Shared: RPG · Pixel Graphics · Party-Based RPG

FINAL FANTASY
Shared: RPG · Party-Based RPG · Pixel Graphics

Keep Driving
Shared: RPG · Pixel Graphics · Exploration

LISA: The Painful
Shared: RPG · Party-Based RPG · Pixel Graphics

Look Outside
Shared: RPG · Pixel Graphics · 2D

Chained Echoes
Shared: RPG · Pixel Graphics · 2D

OneShot
Shared: Pixel Graphics · Indie · Atmospheric

OFF
Shared: RPG · Surreal · Pixel Graphics

Drova - Forsaken Kin
Shared: RPG · Exploration · 2D

Undertale
Shared: RPG · Pixel Graphics · 2D

Hyper Light Drifter
Shared: Pixel Graphics · RPG · Exploration

FINAL FANTASY II
Shared: RPG · Party-Based RPG · Exploration

Turnip Boy Commits Tax Evasion
Shared: RPG · Exploration · Top-Down

FINAL FANTASY IV
Shared: RPG · Party-Based RPG · Exploration

Finding Paradise
Shared: RPG · Pixel Graphics · 2D

DELTARUNE
Shared: RPG · Pixel Graphics · 2D

Ib
Shared: RPG · Pixel Graphics · 2D

Terraria
Shared: 2D · Pixel Graphics · Exploration

Hylics 2
Shared: RPG · Surreal · Party-Based RPG

Eclipsium
Shared: Surreal · Walking Simulator · Pixel Graphics

Heartbound
Shared: RPG · Pixel Graphics · 2D