It can be as big as Mario, or as small as a indie game. What do you think are the most important video games? Spider-Man (2000) - Prior to this game there were alot of garbage licensed games, most of them belonging to superheroes. But, this game changed everything as the developers actually cared! It primitive by today's standards, but it did help Spider-Man become popular in gaming, and companies get confident in licensing their characters to developers who make good games. Spider-Man 2 (2004) - Inspired by GTA3, this game is the first open world superhero game, and a good one. Allowing you to swing around freely. This game is the reason Ultimate, Web of Shadows, and PS4 Spider-Man exists. Super Smash Bros - The first 4 player fighting game on consoles (excluding Thrill Kill.) Plus one of the best crossovers ever created. It's not a celebration of Nintendo, but video games as a whole. Mortal Kombat - Beside creating the ESRB, it inspired the gritty and violent fighting game genre. With iconic characters even mentioned with a friend in Vietnam! Halo: Combat Evolved - Perfected the console shooter, and the main reason Xbox as a brand is so popular. Without Halo, Xbox would be forgotten. Street Fighter 2 - Combos were an unintentional bug in the code, allowing the player to cancel moves. But, this became Street Fighter's most iconic features. It's fast pasted combat inspired most fighting games today.