How many obsidian blocks are needed to build a portal to the Nether?

8
10
12
14

Info: At least 10 obsidian blocks are needed to build the portal. 4 blocks around the edges are needed only for aesthetics.

About this trivia

Minecraft is a first-person computer game developed by Swedish programmer Marcus Persson. The first version of the game for PC was released at the end of 2011. Gameplay is about to survive in an open, randomly generated world. It is necessary to build a house, extract resources and do everything possible to maximize your development. The player will be interrupted by neutral mobs. In addition to the main world, there are two more: the Nether and the Ender. The game has no plot, but traditionally the killing of the Dragon is considered to be the end of the game. This trivia contains 10 questions of varying difficulty on the game Minecraft