Games like Journey On
Games like Journey On include Baldur's Gate 3, Undertale, Volcano Princess, WitchSpring R, and Clair Obscur: Expedition 33. We matched them by the tags players give Journey On on Steam (Exploration, JRPG, Character Customization, Choices Matter, and Female Protagonist): closest matches first, and among equally close ones the better-known games.

Baldur's Gate 3
Shared: Character Customization · Choices Matter · RPG

Undertale
Shared: Choices Matter · Multiple Endings · RPG

Volcano Princess
Shared: Choices Matter · Female Protagonist · Multiple Endings

WitchSpring R
Shared: JRPG · RPG · Female Protagonist

Clair Obscur: Expedition 33
Shared: JRPG · Exploration · RPG

Chained Echoes
Shared: JRPG · RPG · Exploration

Drova - Forsaken Kin
Shared: Exploration · RPG · Character Customization

Coromon
Shared: Exploration · JRPG · Character Customization

Hyperdimension Neptunia Re;Birth1
Shared: JRPG · Female Protagonist · RPG

FINAL FANTASY
Shared: JRPG · RPG · Exploration

Hyperdimension Neptunia Re;Birth2: Sisters Generation
Shared: JRPG · Female Protagonist · RPG

OneShot
Shared: Choices Matter · Cute · Exploration

Ara Fell: Enhanced Edition
Shared: Exploration · JRPG · Female Protagonist

Persona 5 Royal
Shared: JRPG · RPG · Turn-Based Combat

Magical Princess
Shared: Choices Matter · RPG · Multiple Endings

Bug Fables: The Everlasting Sapling
Shared: Exploration · JRPG · RPG

Elin
Shared: Character Customization · JRPG · RPG

Hyperdimension Neptunia Re;Birth3 V Generation
Shared: JRPG · Female Protagonist · RPG

Cyberdimension Neptunia: 4 Goddesses Online
Shared: JRPG · Female Protagonist · RPG

Record of Lodoss War-Deedlit in Wonder Labyrinth-
Shared: Exploration · Female Protagonist · 2D

FINAL FANTASY II
Shared: JRPG · Exploration · RPG

Dragon Age: Origins - Ultimate Edition
Shared: RPG · Choices Matter · Character Customization

FINAL FANTASY® XIII
Shared: JRPG · Female Protagonist · RPG

Suikoden I&II HD Remaster Gate Rune and Dunan Unification Wars
Shared: JRPG · RPG · 2D