Share underrated browser games!

These games are fun, and most of them doesn't get enough attention as it deserves. Insert the name, and add a description to it as well.

Antics.gg is a fun underrated browser game that literally lets you make your own games, and the games are made by players who make levels and minigames, it's really fun so you should check it out.

Partyvia is such a fun game bro. You can make your own mini-games, play other mini-games with your friends, customize your character, and so much more. It's really fun.
I'll update this list when I'll find more, but for now this is what I have.