World's Hardest Game at Cool Math Games: It really is. Don't ask me Play with 1, 2 or 4 Suits and try to remove all of the cards from the board! Advertisement. The 25 hardest video games ever. Previous slide Next slide 1 of 26 View All Skip Ad. Dark Souls III. As Dark Souls III (12 April, PS4, Xbox One, PC) is released. The World's Hardest Game. StrikeForce Kitty 3 Pandas Crazy Skater Red Ball Sticky Ninja Academy 4th and Goal Salon Slacking Foot Chinko.