24 games ranked by how much the tags Steam players vote on them overlap with Fire & Maneuver'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: Grid-Based Movement, Turn-Based Tactics, Historical, Turn-Based Strategy, Free to Play, War.

1·Classified: France '44
83% match · Grid-Based Movement, Turn-Based Tactics
72% of 1,043 reviews positive

2·中华三国志 the Three Kingdoms of China
83% match · Historical, Free to Play
86% of 1,389 reviews positive · 25 playing

3·XCOM® 2
82% match · Logic, Grid-Based Movement
85% of 109,775 reviews positive · 3,457 playing

4·Total War: NAPOLEON – Definitive Edition
81% match · Historical, Turn-Based Strategy
92% of 27,704 reviews positive

5·Total War: EMPIRE – Definitive Edition
81% match · Historical, Military
91% of 38,197 reviews positive

6·Total War: THREE KINGDOMS
81% match · Historical, Turn-Based Strategy
82% of 93,845 reviews positive · 5,928 playing

7·Clatter
78% match · Turn-Based Tactics, Turn-Based Strategy
83% of 1,270 reviews positive

8·Battle Brothers
77% match · Turn-Based Tactics, Turn-Based Strategy
88% of 28,951 reviews positive

9·ROMANCE OF THE THREE KINGDOMS XIV
77% match · Turn-Based Tactics, Historical
63% of 16,324 reviews positive

10·Jagged Alliance 3
77% match · Turn-Based Tactics, Turn-Based Strategy
88% of 15,109 reviews positive

11·Romance of the Three Kingdoms XI with Power Up Kit
77% match · Turn-Based Tactics, Historical
92% of 4,127 reviews positive

12·Insidia
77% match · Turn-Based Tactics, Free to Play
64% of 218 reviews positive

13·Romance of the Three Kingdoms VII with Power Up Kit
76% match · Turn-Based Tactics, Historical
68% of 159 reviews positive

14·Agent Awesome
76% match · Turn-Based Tactics, Turn-Based Strategy
63% of 949 reviews positive

15·Romance of the Three Kingdoms XIII
76% match · Turn-Based Tactics, Historical
58% of 7,631 reviews positive

16·Total War: SHOGUN 2
76% match · Historical, Turn-Based Strategy
92% of 68,061 reviews positive

17·Mercenaries Blaze
76% match · Turn-Based Tactics, Turn-Based Strategy
76% of 580 reviews positive

18·A Total War Saga: THRONES OF BRITANNIA
76% match · Historical, Turn-Based Strategy
71% of 14,917 reviews positive

19·Breach & Clear
76% match · Turn-Based Strategy, Tactical
83% of 2,431 reviews positive

20·Panzer Corps 2
76% match · Turn-Based Strategy, Historical
85% of 4,213 reviews positive

21·Spaceland: Sci-Fi Indie Tactics
76% match · Logic, Turn-Based Tactics
77% of 413 reviews positive · 1 playing

22·Age of Conquest IV
75% match · Turn-Based Strategy, War
82% of 2,826 reviews positive

23·Atlas Reactor
75% match · Turn-Based Tactics, Free to Play
84% of 5,291 reviews positive

24·War of Rights
75% match · Historical, War
88% of 15,144 reviews positive
The closest matches to Fire & Maneuver on Steam are Classified: France '44, 中华三国志 the Three Kingdoms of China, XCOM® 2, Total War: NAPOLEON – Definitive Edition, Total War: EMPIRE – Definitive Edition. They rank highest because their Steam community tags overlap most with Fire & Maneuver's, and shared tags include Grid-Based Movement, Turn-Based Tactics, Historical.
Every game is described by the tags Steam players vote on it. Rare, specific tags such as Grid-Based Movement, Turn-Based Tactics, Historical count far more than catch-all ones like "Indie" or "Singleplayer", and each game is scored on how closely its whole tag profile matches Fire & Maneuver's. Popularity never affects the ranking.