Here is the full list of all 12 BOOR achievements.
Defeat BOOR.
Destroy a robot with other robot's shoot.
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.
Find 5 hidden cogs.
Defeat the Guard Robot.
Wake up on the lab.
Find 1 hidden cog.