an “anti-shooter” where you defeat your enemies with their own bullets. Collect the power-ups they drop to shield yourself (or press “Z” to unleash a devastating attack with them).
It was made in only 6 hours - a great example of rapid game prototyping/development.
Last weekend it was Portal: The Flash Version. Portal is one of the few commercial games that I actually kind of want to play, but can't be bothered to, so this was a good way for me to get some portal action.