Grammar and spelling mistakes in in-game text.
One of the tasks involves opening 4 skylights to let light in. However, the skylights are positioned so that they are mostly in shadow all day.
Platforms are shown flying with one rotor. It is impossible for anything to hover with less than 2 rotors.
Electric hazards can be found underwater. Since electricity is conducted by water, the hazards should have a far greater area of effect.
The shooting gallery proprietor says that if his Pagie is taken he will be left with the local fauna when 'nature calls'. Fauna refers to animal life, so he should have said 'flora', which refers to plant life.