I got anger foot demo on steam and im rocking a 7.6 second slums level 1 time, but the one on here that has the same levels is the itch.io version, which is obviously very different.

There is! All the way down the level list on this speedrun.com page, the 10 levels for the steam demo still have a leaderboard. If you where to submit a videoproof of your run, you'd get 7th place on the leaderboard for The Slums (demo) Any% with your 7.6s.