You can give your players incentive to do things, but if it’s not the incentive they’re looking for they will probably demonstrate it by their in game actions. Some examples of player incentives include:
TitleWhat’s Inside Skinner’s Box?
What is a skinner box, how does it interact with neurotransmitters, and what does it have to do with shooting people in the face for rare loot?
Project Button Masher
I teach myself music composition by imitating the style of various videogame soundtracks. How did it turn out? Listen for yourself.
Batman v. Superman Wasn't All Bad
It's not a good movie, but it was made with good intentions and if you look closely you can find a few interesting ideas.
Silent Hill Origins
Here is a long look at a game that tries to live up to a big legacy and fails hilariously.
This Scene Breaks a Character
Small changes to the animations can have a huge impact on how the audience interprets a scene.