Games like The Eternal Battlefields
Games like The Eternal Battlefields include Jagged Alliance 3, The Last Spell, XCOM 2, Battle Brothers, and Fell Seal: Arbiter's Mark. We matched them by the tags players give The Eternal Battlefields on Steam (Turn-Based Tactics, Turn-Based Combat, Fantasy, Turn-Based Strategy, and Tactical): closest matches first, and among equally close ones the better-known games.

Jagged Alliance 3
Shared: Turn-Based Tactics · Turn-Based Combat · Turn-Based Strategy

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

XCOM 2
Shared: Turn-Based Combat · Turn-Based Tactics · Tactical

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

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

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

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

Songs of Conquest
Shared: Turn-Based Tactics · Tactical · Turn-Based Combat

King's Bounty II
Shared: Turn-Based Strategy · Fantasy · Strategy

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

Into the Breach
Shared: Turn-Based Strategy · Turn-Based Tactics · Strategy

Mordheim: City of the Damned
Shared: Tactical · Turn-Based Tactics · Turn-Based Combat

Warhammer 40,000: Battlesector
Shared: Turn-Based Tactics · Turn-Based Strategy · Strategy

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

Stolen Realm
Shared: Turn-Based Combat · Turn-Based Tactics · Turn-Based Strategy

Mewgenics
Shared: Turn-Based Tactics · Turn-Based Combat · Turn-Based Strategy

Warhammer 40,000: Mechanicus
Shared: Turn-Based Tactics · Turn-Based Combat · Strategy

Age of Wonders 4
Shared: Fantasy · Turn-Based Strategy · Strategy

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

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

Total War: WARHAMMER II
Shared: Fantasy · Turn-Based Strategy · Strategy

Hard West 2
Shared: Turn-Based Tactics · Turn-Based Strategy · Strategy

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

Blackguards
Shared: Fantasy · Tactical · Strategy