24 games ranked by how much the tags Steam players vote on them overlap with Beat Hazard 2'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: Music-Based Procedural Generation, Rhythm, Twin Stick Shooter, Music, Shoot 'Em Up, Bullet Hell.

1·Beat Hazard
99% match · Music-Based Procedural Generation, Rhythm
95% of 7,452 reviews positive

2·Symphony
93% match · Music, Music-Based Procedural Generation
84% of 1,494 reviews positive

3·Hyperspace Invaders II: Pixel Edition
91% match · Music-Based Procedural Generation, Rhythm
81% of 405 reviews positive

4·AudioSurf
90% match · Music, Rhythm
96% of 11,106 reviews positive

5·Audiosurf 2
89% match · Music-Based Procedural Generation, Music
83% of 6,050 reviews positive

6·Soundodger+
88% match · Music-Based Procedural Generation, Rhythm
90% of 815 reviews positive

7·The Polynomial - Space of the music
87% match · Rhythm, Music
73% of 500 reviews positive

8·Melody's Escape 2
87% match · Music-Based Procedural Generation, Rhythm
92% of 350 reviews positive

9·MUSYNX
86% match · Music-Based Procedural Generation, Rhythm
89% of 6,824 reviews positive

10·Audioshield
85% match · Music-Based Procedural Generation, Music
81% of 2,739 reviews positive

11·1... 2... 3... KICK IT! (Drop That Beat Like an Ugly Baby)
85% match · Music, Rhythm
27% of 561 reviews positive

12·BIT.TRIP FATE
84% match · Rhythm, Music
68% of 141 reviews positive

13·Intralism
83% match · Music, Rhythm
86% of 4,822 reviews positive

14·Melody's Escape
82% match · Music-Based Procedural Generation, Rhythm
93% of 4,801 reviews positive

15·KickBeat Steam Edition
82% match · Rhythm, Music
67% of 773 reviews positive

16·Riff Racer - Race Your Music!
82% match · Music-Based Procedural Generation, Music
81% of 2,060 reviews positive

17·Turba
82% match · Music-Based Procedural Generation, Music
35% of 145 reviews positive

18·Rhythm Destruction
82% match · Rhythm, Shoot 'Em Up
45% of 136 reviews positive

19·Retro/Grade
81% match · Rhythm, Music
84% of 395 reviews positive

20·BEAT 'EM DOWN
81% match · Music-Based Procedural Generation, Rhythm
53% of 55 reviews positive

21·Music Racer
80% match · Music-Based Procedural Generation, Rhythm
88% of 3,625 reviews positive

22·Groove Coaster
80% match · Rhythm, Music
67% of 1,606 reviews positive

23·Everyday Shooter
80% match · Twin Stick Shooter, Music
95% of 125 reviews positive

24·Melatonin
80% match · Rhythm, Music
94% of 8,203 reviews positive
The closest matches to Beat Hazard 2 on Steam are Beat Hazard, Symphony, Hyperspace Invaders II: Pixel Edition, AudioSurf, Audiosurf 2. They rank highest because their Steam community tags overlap most with Beat Hazard 2's, and shared tags include Music-Based Procedural Generation, Rhythm, Twin Stick Shooter.
Every game is described by the tags Steam players vote on it. Rare, specific tags such as Music-Based Procedural Generation, Rhythm, Twin Stick Shooter count far more than catch-all ones like "Indie" or "Singleplayer", and each game is scored on how closely its whole tag profile matches Beat Hazard 2's. Popularity never affects the ranking.