Various passageways, for example, closed doors or gates where you have to find a way to open them. Sometimes you will have to find the right key, sometimes they can only be unlocked from one of the sides. In some cases, all you have to do is use a weapon and destroy them.
Ladders, creepers and other such objects on which the player can climb to a higher or lower level, sometimes also horizontally. Some of the ladders are raised, so in this case you will need to lower them first. To do this, you need to find a way to approach them at the top and then kick them down.
