Because I'm crazy enough to actually do this...
Connect-4 web game
Framework for King-of-the-Hill Javascript competitions
A simple tower defense game for js13k 2014
A simple TowerDefence clone which is playable in browser
Entry HTML5 game for js13k 2018 compo. Desktop category.
WebGL Tower Defense
Entry HTML5 game for js13k 2017 compo. Desktop category.
Hyperactive Hexagonal Havoc!
A web version of Minecraft built using js and WebGL without third-party libraries.
BrowserQuest game from Mozilla
A ClojureScript-based HTML5 Canvas and SVG Graphics Playground, much like http://bl.ocks.org/ but...
A tiny FPS for js13k