24 games ranked by how much the tags Steam players vote on them overlap with The Heroic Legend of Eagarlnia's. A rare tag counts for far more than one that sits on half the store, and popularity never moves a game up.
What they share most: Grand Strategy, Alternate History, Turn-Based Tactics, Turn-Based Strategy, Turn-Based Combat, War.

1·Romance of the Three Kingdoms
85% match · Grand Strategy, Alternate History
71% of 35 reviews positive

2·Romance of the Three Kingdoms II
84% match · Grand Strategy, Turn-Based Tactics
76% of 41 reviews positive

3·Fantasy General II
84% match · Grand Strategy, Turn-Based Tactics
81% of 1,985 reviews positive

4·Strategy & Tactics: Wargame Collection
83% match · Grand Strategy, Alternate History
69% of 293 reviews positive

5·Romance of the Three Kingdoms VII with Power Up Kit
83% match · Grand Strategy, Alternate History
68% of 159 reviews positive

6·Romance of the Three Kingdoms Maker
82% match · Grand Strategy, Alternate History
65% of 345 reviews positive

7·Romance of the Three Kingdoms XI with Power Up Kit
81% match · Grand Strategy, Alternate History
92% of 4,127 reviews positive

8·ROMANCE OF THE THREE KINGDOMS XIV
81% match · Grand Strategy, Alternate History
63% of 16,324 reviews positive

9·Space Empires III
81% match · Grand Strategy, Turn-Based Tactics
80% of 46 reviews positive

10·Xenonauts 2
81% match · Grand Strategy, Turn-Based Tactics
81% of 5,865 reviews positive

11·Xenonauts
81% match · Grand Strategy, Turn-Based Tactics
87% of 5,077 reviews positive

12·Unity of Command II
80% match · Grand Strategy, Alternate History
80% of 2,218 reviews positive

13·Agent Awesome
80% match · Turn-Based Tactics, Turn-Based Combat
63% of 949 reviews positive

14·Romance of the Three Kingdoms XIII
80% match · Grand Strategy, Alternate History
58% of 7,631 reviews positive

15·Ozymandias: Bronze Age Empire Sim
80% match · Grand Strategy, Turn-Based Tactics
88% of 1,686 reviews positive

16·Clatter
80% match · Turn-Based Tactics, Turn-Based Strategy
83% of 1,270 reviews positive

17·Millennia
80% match · Grand Strategy, Alternate History
67% of 3,789 reviews positive

18·Total War: PHARAOH
80% match · Grand Strategy, War
63% of 5,423 reviews positive

19·Horizon
79% match · Grand Strategy, Turn-Based Tactics
59% of 475 reviews positive · 5 playing

20·Total War: WARHAMMER II
79% match · Grand Strategy, Turn-Based Strategy
93% of 121,470 reviews positive

21·Evil Bank Manager
79% match · Grand Strategy, Alternate History
76% of 1,763 reviews positive

22·Total War: NAPOLEON – Definitive Edition
79% match · Grand Strategy, Turn-Based Strategy
92% of 27,704 reviews positive

23·Field of Glory: Empires
79% match · Grand Strategy, Turn-Based Tactics
82% of 870 reviews positive

24·Dominions 4: Thrones of Ascension
78% match · Grand Strategy, Turn-Based Strategy
91% of 1,449 reviews positive
The closest matches to The Heroic Legend of Eagarlnia on Steam are Romance of the Three Kingdoms, Romance of the Three Kingdoms II, Fantasy General II, Strategy & Tactics: Wargame Collection, Romance of the Three Kingdoms VII with Power Up Kit. They rank highest because their Steam community tags overlap most with The Heroic Legend of Eagarlnia's, and shared tags include Grand Strategy, Alternate History, Turn-Based Tactics.
Every game is described by the tags Steam players vote on it. Rare, specific tags such as Grand Strategy, Alternate History, Turn-Based Tactics count far more than catch-all ones like "Indie" or "Singleplayer", and each game is scored on how closely its whole tag profile matches The Heroic Legend of Eagarlnia's. Popularity never affects the ranking.