Games like LV99: Final Fortress
Games like LV99: Final Fortress include Clair Obscur: Expedition 33, Hollow Knight: Silksong, Hogwarts Legacy, FINAL FANTASY X/X-2 HD Remaster, and Monster Sanctuary. We matched them by the tags players give LV99: Final Fortress on Steam (JRPG, Female Protagonist, Turn-Based Combat, Exploration, and Singleplayer): closest matches first, and among equally close ones the better-known games.

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

Hollow Knight: Silksong
Shared: Metroidvania · Singleplayer · Female Protagonist

Hogwarts Legacy
Shared: Singleplayer · Magic · Fantasy

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

Monster Sanctuary
Shared: Turn-Based Combat · Singleplayer · Metroidvania

FINAL FANTASY
Shared: JRPG · Turn-Based Combat · RPG

WitchSpring R
Shared: Female Protagonist · JRPG · RPG

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

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

FINAL FANTASY VI
Shared: JRPG · RPG · Singleplayer

Metaphor: ReFantazio
Shared: JRPG · Turn-Based Combat · RPG

FINAL FANTASY II
Shared: JRPG · RPG · Exploration

FINAL FANTASY IX
Shared: JRPG · Turn-Based Combat · Fantasy

Battle Chasers: Nightwar
Shared: Turn-Based Combat · JRPG · RPG

FINAL FANTASY III
Shared: JRPG · RPG · Singleplayer

Doom & Destiny
Shared: Turn-Based Combat · RPG · JRPG

Hollow Knight
Shared: Metroidvania · Singleplayer · Exploration

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

FINAL FANTASY RESONANCE
Shared: JRPG · Turn-Based Combat · RPG

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

ENDER LILIES: Quietus of the Knights
Shared: Female Protagonist · Metroidvania · Singleplayer

Trails in the Sky 1st Chapter
Shared: JRPG · Turn-Based Combat · Female Protagonist

Epic Battle Fantasy 5
Shared: JRPG · Turn-Based Combat · RPG

FINAL FANTASY IV
Shared: JRPG · Exploration · RPG