In this LD32 post-mortem by Sentendo they describe how taking part in the game jam was for them (and of course they used Phaser to create their game)
"Since there were no much time we opted to make something really neat and polished, something which people could enjoy easily and with a simple mechanic to implement. Again, you have only 72 hours to submit your game, and of course you cannot work straight all that time. We needed something with a simple and direct message, since we didn’t find a great mechanic to explore for the topic. The game was based on a book called “Confessions of an Economic Hitman”. One of the arguments of this book is about the high level strategy of some corporate: they buy off their competitors just to close their companies assuring more market share for them. We decided to create a clicker game with a skill factor: click on your competitors to “fire” them with your cash bullets, and click on the coins they throw at you."