Minecraft is a survival game. I can say it is kinda hard for beginners because they don't know how to fight mobs such as Zombies, Creepers, and Skeletons. THey are the most common mobs which spawn in the overworld. So read Minecraft Combat Edition to be a pro.

Mobs !!!

All mobs don't have the same ability. Some can explode. Others can shoot from long distances and others can like the zombies have to come close up and fight with mainly there fist. They don't hit or kill you in creative. You don't want a creeper being near your base.

Creepers.

  Creepers are the mob that blows up. So you don't want a creeper near your base because there is a very high chance you are going to get killed and your base would be in ruins. So if a creeper is near your base run away somewhere far from your base and hit it.

Don't go to that far. Just go like 15-18 blocks away. Remember when hitting a creeper you have to back off 3-4 blocks. Then hit it and back. Do this process until the Creeper dies. Don't worry the creeper will die quickly. Creepers are green and black and they have 4 tiny legs. Kinda like a frog.

Zombie 

Zombies are not a very powerful mob. But a baby zombie is overpowered. Well almost every player can kill it. But they run so fast that it is almost impossible to kill them . But one advantage you have aganist zombies is that they burn in the sun. That's why you don't see zombies in the daytime. 

Skeletons

Skeletons are the most annoying mob of all time. Skeletons are the kind which kill you from a far distance. So you have to be careful. Oh I hate Strays. We will talk about Strays later. So as I was saying Skeletons use a bow and arrow. As you know there are many types of arrows.

If you didn't know well you know now. They have the normal type of arrow not poison, not harming , just a normal peaceful arrow. Ok scratch peaceful. Just because I said they are normal that doesn't mean it doesn't do damage. Now lets talk about bows. Most Skeletons have a normal bow. 

But some have enchanted bows. Enchanted bows look like a purple substance kinda thing that is just stuck to your armor weapon etc.