Time Pacifist is a game that I made for SA GameDev Challenge V, a month-long game jam that takes place on the Something Awful forums.
The theme for 2010 was "You can't X".
I chose to riff on Konami's classic Time Pilot arcade game by making a version in which the player can't shoot at any of the enemy planes.
Without weapons, the gameplay is changed to more of a dodge-em-up, in which the formerly optional parachuters must be rescued in order to advance.
Some sprites were re-purposed directly from Time Pilot, while the new enemy planes were created by artist Matt Quesnel.