Street Fighter Ii Rainbow Edition Download
Welcome to, a subreddit dedicated to build the fighting game community, harbor a healthy competitive nature, and be welcoming to players and fans alike. Back in the OG SF2 days a group of korean/chinese programmers created a mod hack for SF2. Some of you who grew up in the 90s may remember seeing this at your local arcade, golfland, liquor store or 7-11.What was the hack? The hack allowed for players to change characters at anytime with the touch of the start button. Almost all characters received a projectile. Projectiles could be tossed in the air, stacked up, and launched at insane speeds or angles.While this hack was insanely broken, it is important in many ways.Because of this mod, chun-li was given a fireball in hyper fighting. This mod eventually would inspire 'super moves' starting from ST and beyond.
Street Fighter Ii Champion Edition

The crazy air fireball spam would also inspire the character design of Akuma. Finally, the lunacy of this mod would inspire the vs. Watch closely and you can see where Capcom got their future ideas.TLDR: This game was bat shit crazy broken, not necessarily fun, but extremely important to the evolution of fighting games.Edit 1: Here is an article about rainbow edition and how it was important to the franchise.