Here is the full list of all 12 BOOR achievements.
Defeat BOOR.
Defeat Donovan.
Get 1000 points on the arcade game "Borlitas Arcade".
Get 1000 points on the arcade game "Mega Runner 3D".
Get 1000 points on the arcade game "Galatic Destroyer VS Aliens".
Survive the Giant Robot's chase.
Defeat the Second Robot.
Destroy a robot with other robot's shoot.
Defeat the Guard Robot.
Find 5 hidden cogs.
Wake up on the lab.
Find 1 hidden cog.