Games like UltraGirl Alters
Games like UltraGirl Alters include Persona 3 Reload, Persona 4 Golden, Metaphor: ReFantazio, Persona 5 Royal, and Volcano Princess. We matched them by the tags players give UltraGirl Alters on Steam (RPG, Simulation, Strategy, JRPG, and Adventure): closest matches first, and among equally close ones the better-known games.

Persona 3 Reload
Shared: RPG · JRPG · Anime

Persona 4 Golden
Shared: JRPG · RPG · Anime

Metaphor: ReFantazio
Shared: RPG · JRPG · Adventure

Persona 5 Royal
Shared: JRPG · RPG · Anime

Volcano Princess
Shared: RPG · Simulation · Dating Sim

Utawarerumono: Mask of Truth
Shared: RPG · Strategy · Simulation

Super Robot Wars 30
Shared: RPG · Strategy · JRPG

Love is All Around: Echoes of Yesterday
Shared: RPG · Simulation · Adventure

Utawarerumono: Mask of Deception
Shared: RPG · Strategy · Visual Novel

Clair Obscur: Expedition 33
Shared: RPG · JRPG · Turn-Based Combat

Rebellion GODSOUL: Awakening
Shared: RPG · JRPG · Visual Novel

The Scroll of Taiwu : Beyond The Dome
Shared: RPG · Strategy · Simulation

SUPER ROBOT WARS Y
Shared: RPG · Simulation · Strategy

Home Behind 2
Shared: RPG · Strategy · Adventure

Chrono Ark
Shared: RPG · Strategy · Adventure

Love Is All Around
Shared: Dating Sim · Visual Novel · RPG

Sultan's Game
Shared: RPG · Strategy · Simulation

The Hungry Lamb: Traveling in the Late Ming Dynasty
Shared: Visual Novel · Interactive Fiction · Adventure

鬼谷八荒 Tale of Immortal
Shared: Simulation · RPG · Dating Sim

失业了,我获得了亿万游戏财产!
Shared: Strategy · RPG · Dating Sim

Sora no Kiseki the 1st
Shared: RPG · JRPG · Visual Novel

Mount & Blade II: Bannerlord
Shared: Strategy · RPG · Simulation

Otaku's Adventure
Shared: RPG · Visual Novel · Dating Sim

Our Brief Eternity
Shared: Simulation · RPG · Adventure