DigiDom write on their site: "We launched a web browser game this week and dubbed it Rival Command, a take on the classic Missile Command, only with a Liverpool skyline and a couple of local footy teams to boot (painful). Anyway, I thought I’d write a little jolly on the experience and potentially help any developer readers with a few tips."
The tutorial goes into using Phaser with TypeScript, examples of game state classes, sprite handling and collision with P2 Physics.