I now have VCD and I've spent a lot of time on it.
At the end, the game will evaluate the user's work and give him a rating.
One of the more blatant examples is if all planters in Hydroponic Hell are not filled.
Stacking Area for Crates in Revolutionary Robotics Stacking Areas also known as Stacking Zones are rectangular areas marked with paint that allow the player to obtain optional bonus points in most levels of Viscera Cleanup Detail.
Accidentally bumping a crate at the front of the stacking area can cause a chain reaction that topples every crate in the zone.
In Viscera Cleanup Detail, that "poor schmuck" is you.
You can even try and punch-out if you think you've done your job.
Additionally, while most objects "snap" to upright when you click, a bucket full of liquid will rotate slowly so it doesn't trigger a spill.