24 games ranked by how much the tags Steam players vote on them overlap with Soundodger+'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, Rhythm, Music-Based Procedural Generation, Level Editor, Bullet Hell, Mouse only.

1·Intralism
91% match · Music, Rhythm
86% of 4,822 reviews positive

2·Symphony
90% match · Music, Music-Based Procedural Generation
84% of 1,494 reviews positive

3·Beat Hazard
90% match · Music-Based Procedural Generation, Rhythm
95% of 7,452 reviews positive

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

5·Linea, the Game
88% match · Music-Based Procedural Generation, Music
86% of 994 reviews positive

6·The Polynomial - Space of the music
88% match · Music, Rhythm
73% of 500 reviews positive

7·Beat Hazard 2
88% match · Music-Based Procedural Generation, Rhythm
86% of 2,259 reviews positive

8·AudioSurf
87% match · Music, Rhythm
96% of 11,106 reviews positive

9·A Dance of Fire and Ice
87% match · Rhythm, Music
94% of 84,025 reviews positive

10·BIT.TRIP BEAT
86% match · Rhythm, Music
81% of 883 reviews positive

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

12·Hyperspace Invaders II: Pixel Edition
85% match · Music-Based Procedural Generation, Rhythm
81% of 405 reviews positive

13·Melody's Escape 2
84% match · Music-Based Procedural Generation, Rhythm
92% of 350 reviews positive

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

15·Just Shapes & Beats
83% match · Rhythm, Music
98% of 26,166 reviews positive

16·Audioshield
83% match · Music-Based Procedural Generation, Music
81% of 2,739 reviews positive

17·BARRIER X
83% match · Music, Rhythm
85% of 2,360 reviews positive

18·Rift of the NecroDancer
83% match · Music-Based Procedural Generation, Rhythm
94% of 6,347 reviews positive

19·Rhythm Destruction
82% match · Rhythm, Bullet Hell
45% of 136 reviews positive

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

21·DubWars
82% match · Music, Bullet Hell
77% of 290 reviews positive

22·BEAT 'EM DOWN
82% match · Music-Based Procedural Generation, Rhythm
53% of 55 reviews positive

23·Turba
81% match · Music, Music-Based Procedural Generation
35% of 145 reviews positive

24·Everhood
81% match · Music, Rhythm
95% of 14,052 reviews positive
The closest matches to Soundodger+ on Steam are Intralism, Symphony, Beat Hazard, Audiosurf 2, Linea, the Game. They rank highest because their Steam community tags overlap most with Soundodger+'s, and shared tags include Music, Rhythm, Music-Based Procedural Generation.
Every game is described by the tags Steam players vote on it. Rare, specific tags such as Music, Rhythm, Music-Based Procedural Generation count far more than catch-all ones like "Indie" or "Singleplayer", and each game is scored on how closely its whole tag profile matches Soundodger+'s. Popularity never affects the ranking.