24 games ranked by how much the tags Steam players vote on them overlap with Cube Conflict'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: Team-Based, Class-Based, Fighting, Military, FPS, 3D.

1·War Dust VR: 32v32 Battlefields
74% match · Team-Based, Class-Based
81% of 1,623 reviews positive

2·Aliens vs. Ghosts
72% match · Class-Based, FPS
90% of 638 reviews positive

3·Battlefield: Bad Company™ 2
72% match · FPS, Team-Based
85% of 37,372 reviews positive · 24 playing

4·BattleBit Remastered
71% match · Class-Based, Team-Based
81% of 146,382 reviews positive

5·Ravenfield
71% match · Military, Team-Based
97% of 80,173 reviews positive

6·Boundary
71% match · Class-Based, Early Access
54% of 16,050 reviews positive

7·Street Warriors Online
70% match · Fighting, Early Access
57% of 1,622 reviews positive

8·Comedy Night
70% match · Experimental, Dark Comedy
74% of 9,290 reviews positive

9·Icons: Legacy Edition
70% match · Fighting, Early Access
42% of 978 reviews positive

10·Counter-Strike: Source
70% match · Team-Based, Shooter
96% of 193,347 reviews positive · 3,190 playing

11·LEAP
70% match · Dark Comedy, Artificial Intelligence
58% of 363 reviews positive

12·App 803140
69% match · Team-Based, Early Access
69% of 1,144 reviews positive

13·Heliborne Collection
69% match · Experimental, Military
74% of 4,032 reviews positive

14·Evolve Stage 2
68% match · Team-Based, Class-Based
70% of 48,244 reviews positive

15·Rise of Liberty
68% match · Team-Based, Military
84% of 1,867 reviews positive

16·Counter-Strike: Condition Zero
68% match · FPS, Team-Based
91% of 28,411 reviews positive · 512 playing

17·Black Squad
68% match · FPS, Team-Based
76% of 81,196 reviews positive · 297 playing

18·Bodycam
68% match · Team-Based, Military
80% of 65,827 reviews positive

19·Isonzo
68% match · Class-Based, Team-Based
83% of 17,279 reviews positive

20·Ballistic Overkill
68% match · FPS, Shooter
76% of 7,017 reviews positive

21·Day of Defeat: Source
68% match · FPS, Team-Based
92% of 23,645 reviews positive · 275 playing

22·Day of Defeat
68% match · FPS, Team-Based
90% of 7,380 reviews positive

23·App 611020
68% match · Team-Based, Class-Based
67% of 1,489 reviews positive

24·EGOS - Tales of Fallen Souls
68% match · Early Access, Dark Comedy
58% of 113 reviews positive
The closest matches to Cube Conflict on Steam are War Dust VR: 32v32 Battlefields, Aliens vs. Ghosts, Battlefield: Bad Company™ 2, BattleBit Remastered, Ravenfield. They rank highest because their Steam community tags overlap most with Cube Conflict's, and shared tags include Team-Based, Class-Based, Fighting.
Every game is described by the tags Steam players vote on it. Rare, specific tags such as Team-Based, Class-Based, Fighting count far more than catch-all ones like "Indie" or "Singleplayer", and each game is scored on how closely its whole tag profile matches Cube Conflict's. Popularity never affects the ranking.