24 games ranked by how much the tags Steam players vote on them overlap with Hold your houses'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: Tower Defense, Real Time Tactics, Military, Base-Building, FPS, Strategy.

1·Out of Ammo
84% match · Tower Defense, Real Time Tactics
84% of 736 reviews positive

2·Sanctum
83% match · Tower Defense, FPS
89% of 3,364 reviews positive

3·Sanctum 2
83% match · Tower Defense, FPS
90% of 14,392 reviews positive · 13 playing

4·Minimalist Tower Defense
83% match · Tower Defense, Real Time Tactics
95% of 1,885 reviews positive · 5 playing

5·Taur
82% match · Tower Defense, Real Time Tactics
80% of 2,114 reviews positive

6·Band of Defenders
82% match · Tower Defense, Real Time Tactics
49% of 399 reviews positive

7·Battle Cry of Freedom
82% match · Real Time Tactics, Combat
72% of 2,517 reviews positive

8·Defense of Egypt: Cleopatra Mission
81% match · Tower Defense, Strategy
72% of 179 reviews positive

9·REDCON
81% match · Tower Defense, Strategy
86% of 852 reviews positive

10·HoloParade
80% match · Tower Defense, Real Time Tactics
85% of 1,156 reviews positive

11·Alien Shooter TD
80% match · Tower Defense, Real Time Tactics
85% of 918 reviews positive

12·Northend Tower Defense
80% match · Tower Defense, Real Time Tactics
74% of 1,456 reviews positive

13·Cube Land Arena
80% match · Tower Defense, Real Time Tactics
62% of 347 reviews positive

14·Rush for Glory
80% match · Tower Defense, Strategy
61% of 150 reviews positive

15·War in a Box: Paper Tanks
80% match · Tower Defense, Strategy
71% of 209 reviews positive

16·Shad'O
80% match · Tower Defense, Strategy
54% of 127 reviews positive

17·Call Of The Mighty Warriors
80% match · Tower Defense, Real Time Tactics
60% of 356 reviews positive

18·Arma Reforger
80% match · Real Time Tactics, Military
80% of 58,638 reviews positive

19·iBomber Defense
80% match · Tower Defense, Strategy
73% of 248 reviews positive

20·Anomaly Defenders
80% match · Tower Defense, Strategy
78% of 689 reviews positive

21·Toy Soldiers: Complete
79% match · Tower Defense, Strategy
78% of 1,187 reviews positive

22·Artisan TD
79% match · Tower Defense, Real Time Tactics
87% of 2,533 reviews positive

23·Cubemen 2
79% match · Tower Defense, Strategy
68% of 227 reviews positive

24·Defenders of Ardania
79% match · Tower Defense, Strategy
35% of 122 reviews positive
The closest matches to Hold your houses on Steam are Out of Ammo, Sanctum, Sanctum 2, Minimalist Tower Defense, Taur. They rank highest because their Steam community tags overlap most with Hold your houses's, and shared tags include Tower Defense, Real Time Tactics, Military.
Every game is described by the tags Steam players vote on it. Rare, specific tags such as Tower Defense, Real Time Tactics, Military count far more than catch-all ones like "Indie" or "Singleplayer", and each game is scored on how closely its whole tag profile matches Hold your houses's. Popularity never affects the ranking.