Games like Cosmic Star Heroine
Games like Cosmic Star Heroine include Chained Echoes, Undertale, CrossCode, DELTARUNE, and Hyperdimension Neptunia Re;Birth1. We matched them by the tags players give Cosmic Star Heroine on Steam (JRPG, RPG, Indie, Pixel Graphics, and Sci-fi): closest matches first, and among equally close ones the better-known games.

Chained Echoes
Shared: RPG · JRPG · Pixel Graphics

Undertale
Shared: Pixel Graphics · RPG · Indie

CrossCode
Shared: RPG · Pixel Graphics · Female Protagonist

DELTARUNE
Shared: Pixel Graphics · RPG · Funny

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

Epic Battle Fantasy 5
Shared: JRPG · Indie · RPG

To the Moon
Shared: Indie · Pixel Graphics · RPG

Yakuza: Like a Dragon
Shared: RPG · JRPG · Turn-Based Combat

OCTOPATH TRAVELER™
Shared: JRPG · RPG · Pixel Graphics

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

Cthulhu Saves the World
Shared: JRPG · RPG · Indie

Finding Paradise
Shared: Pixel Graphics · RPG · Adventure

Doom & Destiny
Shared: RPG · Indie · JRPG

CHRONO TRIGGER®
Shared: JRPG · RPG · Pixel Graphics

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

FINAL FANTASY
Shared: JRPG · RPG · Pixel Graphics

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

Evoland
Shared: RPG · Indie · Retro

Epic Battle Fantasy 4
Shared: JRPG · Indie · RPG

FINAL FANTASY X/X-2 HD Remaster
Shared: JRPG · RPG · Turn-Based Combat

OMORI
Shared: Indie · Pixel Graphics · RPG

Breath of Death VII
Shared: JRPG · RPG · Indie

Ruined King: A League of Legends Story™
Shared: RPG · Turn-Based Combat · Indie

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