Music games collects the titles built around sound: piano and tile games, rhythm challenges, beat matching, and games where the soundtrack is the mechanic rather than the accompaniment.
It overlaps with the rhythm collection and exists alongside it because the two are not quite the same thing. A rhythm game demands accuracy on a beat. A music game may simply be about making sound, recognising a melody, or playing along without a score punishing you for being slightly off.
This is the smallest collection on the site, and it is meant to be. Padding it with games that merely have background music would make it useless.
Audio does something to a game that visuals cannot, and it is worth understanding if you want to get better at any of these.
Timing perceived through hearing is more precise than timing perceived through sight. The ear resolves differences of a few milliseconds that the eye cannot. That is why rhythm players eventually stop watching the tiles and start playing to the sound — and why a track you know by ear is dramatically easier than one you are seeing for the first time, at identical difficulty.
It also means audio delay matters more here than anywhere else on the site. Cheap wireless earbuds can introduce enough lag to make a track feel impossible when nothing is wrong with your timing at all. If a music game feels unfairly hard, switch to wired headphones or the device speakers before concluding anything about your ability.
The last thing is that these games are unusually good for short sessions. A track is two or three minutes with a clear end, which is rarer than it sounds — most browser games either finish in twenty seconds or run indefinitely.
Any device works. Headphones matter more than hardware.