24 games ranked by how much the tags Steam players vote on them overlap with Insidia'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: Free to Play, Turn-Based Tactics, Turn-Based, PvP, Strategy, Early Access.

1·Atlas Reactor
97% match · Free to Play, Turn-Based Tactics
84% of 5,291 reviews positive

2·Immortal Empire
92% match · Free to Play, Turn-Based Tactics
72% of 310 reviews positive

3·Tactical Monsters Rumble Arena
92% match · Free to Play, Turn-Based
89% of 4,469 reviews positive

4·Epic Arena
92% match · Free to Play, Turn-Based
65% of 305 reviews positive

5·Tactical Genius Online
91% match · Free to Play, Turn-Based
68% of 226 reviews positive

6·App 658320
90% match · Free to Play, Strategy
71% of 283 reviews positive

7·Dogs of War Online
89% match · Free to Play, Strategy
63% of 713 reviews positive

8·Affected Zone Tactics
88% match · Free to Play, Turn-Based
55% of 343 reviews positive

9·The Banner Saga: Factions
88% match · Free to Play, Turn-Based
74% of 843 reviews positive

10·Dungeon Of Zaar - Open Beta
87% match · Free to Play, Turn-Based Tactics
71% of 140 reviews positive

11·King’s Bounty: Legions
86% match · Free to Play, Turn-Based
54% of 1,287 reviews positive

12·Bombix
86% match · Free to Play, Turn-Based
71% of 1,546 reviews positive

13·Mini Guns - Omega Wars
86% match · Free to Play, Strategy
61% of 397 reviews positive

14·中华三国志 the Three Kingdoms of China
85% match · Free to Play, Strategy
86% of 1,389 reviews positive

15·Clatter
85% match · Turn-Based, Turn-Based Tactics
83% of 1,270 reviews positive

16·RAM Pressure
84% match · Turn-Based Tactics, Turn-Based
47% of 984 reviews positive

17·CARDCORE
84% match · Free to Play, Turn-Based Tactics
46% of 39 reviews positive

18·Hunt For Gods
83% match · Free to Play, Strategy
65% of 106 reviews positive

19·古战三国 Ancient War: Three Kingdoms
83% match · Free to Play, Turn-Based
61% of 133 reviews positive

20·Elemental Heroes
82% match · Free to Play, Turn-Based
60% of 181 reviews positive

21·Pox Nora
82% match · Turn-Based Tactics, Turn-Based
77% of 906 reviews positive

22·App 1236390
82% match · Free to Play, Strategy
73% of 332 reviews positive

23·Onmyoji
82% match · Free to Play, Turn-Based
82% of 3,100 reviews positive

24·Grace of Zordan
82% match · Free to Play, Turn-Based Tactics
57% of 173 reviews positive
The closest matches to Insidia on Steam are Atlas Reactor, Immortal Empire, Tactical Monsters Rumble Arena, Epic Arena, Tactical Genius Online. They rank highest because their Steam community tags overlap most with Insidia's, and shared tags include Free to Play, Turn-Based Tactics, Turn-Based.
Every game is described by the tags Steam players vote on it. Rare, specific tags such as Free to Play, Turn-Based Tactics, Turn-Based count far more than catch-all ones like "Indie" or "Singleplayer", and each game is scored on how closely its whole tag profile matches Insidia's. Popularity never affects the ranking.