Here is the full list of all 20 Pocket God achievements worth 200 gamerscore.
Spear a pygmy once.
Spear all six pygmys.
Bowl down a pygmy.
Bowl down 6 pygmys.
Drag the lightning from the storm clouds to a pygmy.
Drag a coconut off the tree and bounce it on the head of a pygmy.
Keep the coconut bouncing until you reach a score of 100.
Drop 1 Bird Bomb on a Pygmy’s head
Keep a bird dropping bombs until 100 pygmys have been hit.
Have a single shark snap at a pygmy without getting him.
Score over 100 shark snaps.
Score at least one point in a game of Ooga Jump.
Achieve a score of over 6000 points in Ooga Jump.
Kill the T-Rex
Kill the spider.
Kill the ice monster.
Kill the ice monster before the counter reaches 10.