id gamer:
uid=1000(gamer) gid=1000(gamer) groups=1000(gamer),27(sudo),29(audio),44(video),107(input),110(render)

groups gamer:
gamer : gamer sudo audio video input render

/etc/group (interesting):
audio:x:29:gamer,pulse
video:x:44:gamer
input:x:107:gamer
render:x:110:gamer
nopasswdlogin:x:127:
