Here is the full list of all 21 Eekeemoo Splinters of the Dark Shard achievements worth 1,000 gamerscore.
Try bouncing on a Jump Pod...25 times should do it.
Vanquish 250 Forest Zomblings
Vanquish 250 Lava Zomblings
Vanquish 250 Ice Zomblings
Vanquish 250 Cave Zomblings
Slay 50 Zombers
Help release Woodface from his eternal torment.
Poor Guy...just wanted to continue his work. Release him
Defeat Harry, he cannot be saved...release him from his pain.
Avoid Li Pha, at all costs
Complete the forest section
Don't get burnt on your way out.
Chilling experience, watch you don't get frozen on the spot.
Wonder through the cave until you get lost, repeat until you get out...good luck!
Help free YumYum
Release D Bot from his...predicament.
Search and Destroy the Splinters.
Kill some Cycloptus
Falling into the water 10 times
Fall into the lava 10 times.