I haven't seen anyone else bring this up or if anyone else thought of Single Zone speedruns so I guess I'll bring it up. So one day while playing Sonic 2 I decided on trying to lower my time on certain zones such as Emerald Hill Zone 1 and 2. Like I said earlier I don't know if anyone as had this idea before but I decided to bring because runs like this one: have no where to go so they exist in this type of void of categories that exist but aren't recognized on the leaderboards.
I don't know too much about this website, but the Sonic Center has a leaderboard for IL runs. They can be found here: http://www.soniccenter.org/rankings/sonic_2/times
exactly what lunkhead has said. sonic ILs have a long history behind them. (they may even predate single segment runs)
For the longest time, the individual level leaderboards didn't distinguish weither or not you performed them Glitched or Glitchless. So for a majority of levels, Glitched always came out on top if you wanted to achieve top rankings. But now levels will be separated depending on play-style, with a co
