Games like Demon's Regalia: Colosseum
Games like Demon's Regalia: Colosseum include WEBFISHING, Mirror 2: Project X, Persona 3 Reload, Persona 5 Royal, and Darkest Dungeon®. We matched them by the tags players give Demon's Regalia: Colosseum on Steam (Early Access, Indie, Turn-Based Combat, 3D, and Casual): closest matches first, and among equally close ones the better-known games.

WEBFISHING
Shared: Fishing · Casual · Indie

Mirror 2: Project X
Shared: 3D · Anime · Casual

Persona 3 Reload
Shared: Anime · Turn-Based Combat · JRPG

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

Darkest Dungeon®
Shared: Turn-Based Combat · Dungeon Crawler · Indie

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

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

Persona 4 Golden
Shared: Turn-Based Combat · Anime · JRPG

Clair Obscur: Expedition 33
Shared: Turn-Based Combat · JRPG · 3D

Digimon Story Time Stranger
Shared: 3D · Anime · JRPG

Path Of Wuxia
Shared: Indie · Turn-Based Combat · Anime

Low Magic Age
Shared: Turn-Based Combat · Early Access · Medieval

Recettear: An Item Shop's Tale
Shared: Indie · Anime · JRPG

Hyperdimension Neptunia Re;Birth1
Shared: Anime · JRPG · Turn-Based Combat

Liars Bar
Shared: Casual · Indie · 3D

Persona 3 Portable
Shared: Turn-Based Combat · Anime · JRPG

Digimon Story Cyber Sleuth: Complete Edition
Shared: Turn-Based Combat · Anime · JRPG

MUSYNX
Shared: Indie · Anime · Casual

Nexomon
Shared: Indie · Casual · Turn-Based Combat

Pastelia Stories
Shared: Indie · Early Access · Anime

Cassette Beasts
Shared: Turn-Based Combat · 3D · JRPG

Trails in the Sky 1st Chapter
Shared: Turn-Based Combat · 3D · JRPG

Rebellion GODSOUL: Awakening
Shared: Anime · Turn-Based Combat · JRPG

Swords and Souls: Neverseen
Shared: Indie · Turn-Based Combat · RPG