This is a collection of games ported from Java to Scala-Js: the source for each game is written in Scala, and cross compiled to run in the browser targeting the HTML5 Canvas. The original games can be found here and targeting Java/Swing. Although this is basically a complete rewrite, the user-facing side of the game should be exactly the same.
The games are, in order:
The controls are generally up-down-left-right and spacebar; they aren't very complex games. Click on a game to start playing and click somewhere else to pause it.