...You're walking and constantly trying to press Alt button to see things You might wanna pick up.

You're using the alt button to see anyting useful in any other game!
Such behavior is quite irritating when you have played another game for a long while that uses the ctrl button to show where enemies are. If you play a tactical shooter with stealth missions after that and the ctrl button functions as 'fire' button....

E pensando di lei
Mi sopragiunse uno soave sonno
Ego dominus tuus
Vide cor tuum