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