Greasy Fork is available in English.
a free and purely cosmetic script that lets you use custom skins during games, it even lets you make your own skins!
< Free Custom Surviv.io Skins and Mods (FREE SURVIV GOLD PASS #11)についてのフィードバック
that's how it's supposed to work
I can only get 1 skin or accessory for some reason and when I try to get another the new one replaces the old one.