2009-01-11 (updated 2009-01-11)
Stop the fur traders from killing baby seals by marking them with green paint in first-person-shooter style (which is why this game is marked "shooter").

Tagged serious because the real world idea is that a green stain would ruin the luxury value of a pelt. Such a stain would not prevent the pelt from being used as a garment, it just wouldn't look very fancy. Hence, seals could continue to be killed for necessary garments, but not vanity garments