Guess the Countries by Unknown Category #4

Name all the countries that have ever possessed nuclear weapons.

Read the instructions carefully and then solve this difficult Sudoku style country logic puzzle.

Click all the superheroes that come from Marvel comics while avoiding the ones that don't.

You will be shown 10 random numbers between 1 and 100 without knowing what's next. Your task is to put them in order! But beware, if a number cannot be placed, the quiz ends...