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