In the hg game, you guess who made a commit to your team’s repo based on their commit message:

The goal is to get the longest streak! (It’s harder than you think…)
hg-game repohggamehg game --after={2014-08-08}. For more options, see http://hgbook.red-bean.com/read/customizing-the-output-of-mercurial.html.)Pull requests welcome!