24 games ranked by how much the tags Steam players vote on them overlap with Ground Breakers'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: Strategy, Turn-Based Tactics, Turn-Based Combat, Turn-Based Strategy, Turn-Based, Tactical.

1·Clatter
92% match · Strategy, Turn-Based Tactics
83% of 1,270 reviews positive

2·Gears Tactics
86% match · Turn-Based Tactics, Strategy
75% of 7,786 reviews positive

3·GhostControl Inc.
85% match · Turn-Based Tactics, Turn-Based Combat
72% of 180 reviews positive

4·Agent Awesome
85% match · Strategy, Turn-Based Combat
63% of 949 reviews positive

5·Showgunners
84% match · Turn-Based Tactics, Turn-Based Combat
93% of 1,979 reviews positive

6·Jagged Alliance 3
84% match · Turn-Based Tactics, Turn-Based Combat
88% of 15,109 reviews positive

7·Druidstone: The Secret of the Menhir Forest
84% match · Turn-Based Tactics, Turn-Based
83% of 1,398 reviews positive

8·XCOM®: Chimera Squad
84% match · Turn-Based Tactics, Strategy
71% of 23,487 reviews positive

9·Endhall
84% match · Turn-Based Tactics, Grid-Based Movement
86% of 133 reviews positive

10·Puzzle Tactics
84% match · Grid-Based Movement, Turn-Based Tactics
79% of 33 reviews positive

11·Skulls of the Shogun
84% match · Turn-Based Strategy, Strategy
90% of 870 reviews positive

12·Ambition of the Slimes
83% match · Turn-Based Tactics, Grid-Based Movement
87% of 61 reviews positive · 1 playing

13·Fell Seal: Arbiter's Mark
83% match · Turn-Based Tactics, Turn-Based Combat
88% of 6,368 reviews positive

14·XCOM® 2
83% match · Grid-Based Movement, Turn-Based Tactics
85% of 109,775 reviews positive · 2,418 playing

15·Mercenaries Blaze
83% match · Turn-Based Tactics, Grid-Based Movement
76% of 580 reviews positive

16·Forged of Blood
82% match · Grid-Based Movement, Turn-Based Combat
67% of 117 reviews positive

17·RAM Pressure
82% match · Turn-Based Tactics, Turn-Based Strategy
47% of 984 reviews positive

18·The Banner Saga 3
82% match · Turn-Based Tactics, Turn-Based Combat
78% of 3,111 reviews positive

19·Ravenmark: Scourge of Estellion
82% match · Turn-Based Tactics, Strategy
65% of 106 reviews positive

20·Urban Strife
82% match · Turn-Based Combat, Turn-Based Tactics
70% of 700 reviews positive

21·Mutant Year Zero: Road to Eden
82% match · Turn-Based Combat, Turn-Based Tactics
90% of 20,585 reviews positive

22·Battlestar Galactica Deadlock
81% match · Strategy, Turn-Based Tactics
83% of 4,242 reviews positive

23·Hard West 2
81% match · Turn-Based Tactics, Turn-Based Strategy
82% of 3,236 reviews positive

24·Antisquad
81% match · Turn-Based Strategy, Strategy
52% of 298 reviews positive
The closest matches to Ground Breakers on Steam are Clatter, Gears Tactics, GhostControl Inc., Agent Awesome, Showgunners. They rank highest because their Steam community tags overlap most with Ground Breakers's, and shared tags include Strategy, Turn-Based Tactics, Turn-Based Combat.
Every game is described by the tags Steam players vote on it. Rare, specific tags such as Strategy, Turn-Based Tactics, Turn-Based Combat count far more than catch-all ones like "Indie" or "Singleplayer", and each game is scored on how closely its whole tag profile matches Ground Breakers's. Popularity never affects the ranking.