Games like Disgaea 6 Complete
Games like Disgaea 6 Complete include Jagged Alliance 3, Disgaea 5 Complete, The Last Spell, Super Robot Wars 30, and Persona 3 Reload. We matched them by the tags players give Disgaea 6 Complete on Steam (RPG, Strategy, JRPG, Strategy RPG, and Turn-Based Strategy): closest matches first, and among equally close ones the better-known games.

Jagged Alliance 3
Shared: Strategy · RPG · Turn-Based Strategy

Disgaea 5 Complete
Shared: RPG · Strategy · JRPG

The Last Spell
Shared: Strategy · RPG · Turn-Based Strategy

Super Robot Wars 30
Shared: RPG · Strategy · JRPG

Persona 3 Reload
Shared: RPG · JRPG · Anime

Valkyria Chronicles™
Shared: Strategy · RPG · JRPG

Persona 5 Tactica
Shared: RPG · Strategy · JRPG

Disgaea PC
Shared: JRPG · Strategy RPG · RPG

Metaphor: ReFantazio
Shared: RPG · JRPG · Anime

Banner of the Maid
Shared: Strategy · RPG · Turn-Based Strategy

Battle Brothers
Shared: RPG · Strategy · Turn-Based Strategy

Persona 5 Royal
Shared: JRPG · RPG · Anime

Warhammer 40,000: Chaos Gate - Daemonhunters
Shared: Turn-Based Strategy · Strategy RPG · Strategy

TROUBLESHOOTER: Abandoned Children
Shared: Tactical RPG · Turn-Based Tactics · Strategy RPG

Fell Seal: Arbiter's Mark
Shared: RPG · Strategy · Turn-Based Tactics

TRIANGLE STRATEGY
Shared: RPG · Strategy RPG · JRPG

Limbus Company
Shared: Strategy · RPG · Turn-Based Tactics

Persona 4 Golden
Shared: JRPG · RPG · Anime

Marvels Midnight Suns Digital Edition
Shared: Turn-Based Strategy · Turn-Based Tactics · Tactical RPG

XCOM 2
Shared: Strategy · RPG · Turn-Based Tactics

Disgaea 4 Complete+
Shared: RPG · Strategy · Strategy RPG

The Banner Saga
Shared: RPG · Strategy RPG · Tactical RPG

MENACE
Shared: RPG · Strategy · Turn-Based Strategy

FINAL FANTASY TACTICS - The Ivalice Chronicles
Shared: Turn-Based Strategy · Tactical RPG · Turn-Based Tactics