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:
The Mistakes DOOM Didn't Make
How did this game avoid all the usual stupidity that ruins remakes of classic titles?
id Software Coding Style
When the source code for Doom 3 was released, we got a look at some of the style conventions used by the developers. Here I analyze this style and explain what it all means.
How to Forum
Dear people of the internet: Please stop doing these horrible idiotic things when you talk to each other.
This Game is Too Videogame-y
What's wrong with a game being "too videogameish"?
The Game That Ruined Me
Be careful what you learn with your muscle-memory, because it will be very hard to un-learn it.