Remember how infinitesimally small an atom is? For reference, 10^27 of them make up our bodies. Look at a building near you, think about how many atoms are in that. Pretty damn big. Then, think about how many atoms compose a whole city. That's a hell of a lot of atoms, right? What about how many atoms compose the entire Earth? It's estimated to be 1.33 * 10^50 in the whole world. Insane, but remember that 1.3 million Earths can fit inside the Sun - 1.73 * 10^56 atoms.
But our Sun is actually a very small star, like an cell in a pea, compared to hypergiants like VY Canis Majoris, the largest star we've found, which is estimated to be 1,540 times bigger than the Sun. And that's just one of the biggest stars in the whole universe, and just one of the roughly 10^23 stars in the observable universe. Take all of those atoms, those ridiculously small particles, and add them all up and we get approximately 10^80 atoms in the observable universe. That's 100,000,000,000,000,000,000,000,000,000,000,000,00 0,000,000,000,000,000,000,000,000,000,000,000 atoms in our observable universe.
Assuming an average chess game length of 40 turns, there are more possible chess move sequences in one game than atoms in the universe at 10^120 possible games.
Oh, and there are 26,830 possible tic-tac-toe board variants (without symmetrical boards) and 8 * 10^66 different ways to shuffle a deck of playing cards.
Post mind-blow facts. I want to read them.