Comment by PetitPrince

> * Videogames (i.e. the tutorial). For very similar reasons to the above ;)

Oftentimes it's less jarring to have an invisible tutorial though (a level made to exploit the new gameplay element / feature). But it depends on what you want the user to learn and the type of videogame; I don't mind a guided tour in more strategic games (RTS, turn by turn RPG, ...).