Games like Eternal Senia
Games like Eternal Senia include Tales of Berseria™, NieR:Automata™, Undertale, CrossCode, and Persona 5 Royal. We matched them by the tags players give Eternal Senia on Steam (Anime, Free to Play, RPG, Female Protagonist, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Tales of Berseria™
Shared: Anime · RPG · Female Protagonist

NieR:Automata™
Shared: RPG · Female Protagonist · Great Soundtrack

Undertale
Shared: Great Soundtrack · RPG · Story Rich

CrossCode
Shared: RPG · Female Protagonist · Singleplayer

Persona 5 Royal
Shared: Anime · RPG · Singleplayer

Honkai Impact 3rd
Shared: Anime · Free to Play · RPG

Persona 4 Golden
Shared: Anime · Great Soundtrack · RPG

Limbus Company
Shared: Free to Play · Story Rich · Great Soundtrack

Zenless Zone Zero
Shared: Anime · Free to Play · Great Soundtrack

FINAL FANTASY XV WINDOWS EDITION
Shared: RPG · Great Soundtrack · Singleplayer

DELTARUNE
Shared: RPG · Great Soundtrack · Story Rich

Tales of ARISE
Shared: Anime · RPG · Singleplayer

BLEACH Brave Souls
Shared: Anime · Free to Play · RPG

Wuthering Waves
Shared: Anime · Free to Play · RPG

ICEY
Shared: Anime · Female Protagonist · Action

OneShot
Shared: Story Rich · Great Soundtrack · Indie

Muse Dash
Shared: Anime · Female Protagonist · Great Soundtrack

Ys VIII: Lacrimosa of DANA
Shared: RPG · Anime · Great Soundtrack

Clair Obscur: Expedition 33
Shared: RPG · Great Soundtrack · Story Rich

ENDER MAGNOLIA: Bloom in the Mist
Shared: Female Protagonist · Singleplayer · RPG

FINAL FANTASY® XIII-2
Shared: RPG · Female Protagonist · Singleplayer

FINAL FANTASY® XIII
Shared: RPG · Female Protagonist · Great Soundtrack

Tales of the Black Forest
Shared: RPG · Anime · Female Protagonist

LIGHTNING RETURNS™: FINAL FANTASY® XIII
Shared: RPG · Female Protagonist · JRPG