Games like Idle Hero Siege
Games like Idle Hero Siege include The Last Spell, Fell Seal: Arbiter's Mark, The Banner Saga, Jagged Alliance 3, and TROUBLESHOOTER: Abandoned Children. We matched them by the tags players give Idle Hero Siege on Steam (Turn-Based Tactics, Tactical RPG, Idler, Word Game, and Strategy): closest matches first, and among equally close ones the better-known games.

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

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

The Banner Saga
Shared: Tactical RPG · Turn-Based Strategy · Strategy RPG

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

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

挂机神话
Shared: Idler · Word Game · Turn-Based Tactics

Wargroove
Shared: Turn-Based Tactics · Strategy · Tactical RPG

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

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

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

Symphony of War: The Nephilim Saga
Shared: Tactical RPG · Turn-Based Strategy · Strategy RPG

XCOM®: Chimera Squad
Shared: Turn-Based Tactics · Strategy · Turn-Based Strategy

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

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

Super Robot Wars 30
Shared: Strategy · Turn-Based Tactics · Turn-Based Strategy

Legends of Kingdom Rush
Shared: Turn-Based Tactics · Tactical RPG · Turn-Based Strategy

Songs of Conquest
Shared: Turn-Based Tactics · Turn-Based Strategy · Strategy RPG

Disgaea 5 Complete
Shared: Turn-Based Tactics · Strategy · Tactical RPG

Tactical Breach Wizards
Shared: Turn-Based Tactics · Turn-Based Strategy · Tactical RPG

The Banner Saga 3
Shared: Turn-Based Tactics · Strategy · Tactical RPG

MENACE
Shared: Turn-Based Tactics · Strategy · Turn-Based Strategy

Inkbound
Shared: Turn-Based Tactics · Tactical RPG · Turn-Based Strategy

STAR WARS Zero Company™
Shared: Turn-Based Tactics · Turn-Based Strategy · Strategy

xiuzhen idle
Shared: Idler · Word Game · Strategy