Here is the full list of all 9 iZBOT achievements.
Complete level one
Splatter five enemies in under five seconds
Squash twenty bats and defeat Bedlor
Defeat the Slime Ball without bouncing on any of his minions
Defeat Derpa the Rhino in less than thirty seconds
Complete level two
Complete level three
Collect all the HardToGetiums
Destroy forty collapsible blocks in a single level