[OLD] Sonic 3 and Knuckles - Knuckles speed run (26:28)

Channel:

Michael McKenzie

Subscribers:

2,770

Published on October 14, 2011 3:11:12 PM ● Video Link: https://www.youtube.com/watch?v=PM7mQzgjN_s

Game:

Sonic & Knuckles (1994)

Duration: 38:08

41,188 views

178

UPDATE: A faster run (25:02) is available here: http://youtu.be/GWzw0JSx9rc

This is my Sonic 3 and Knuckles speed run, with total in-game time of 26 minutes and 28 seconds. This counts some time spent dying, two deaths are intentional, one is not.

Explaining every trick I use in this run is probably something I'll save for my SDA commentary, but if you have a question about something specific I'll do my best to answer it. Two specific ones definitely rate a mention though:

Marble Garden 1: What's going on here is, I use a trick called "screen wrapping" to trick the game into thinking I'm below the screen, and it scrolls down trying to catch up to me. This means I can safely jump into the muck pit, because the item that kills you doesn't exist while it's off screen. That makes me fall into a wall, which I zip out of to go past the boss before it comes back on screen. Where I end up is essentially the level looping around, but with none of the sprites.
As for why the MG2 boss appears, I can't tell you, I honestly have no idea. But try it for yourself, it works, I promise. I've actually seen a video where this boss is triggered to appear in Hydrocity 1, and skips Marble Garden entirely going on to Carnival Night. However, that trick is both debug-only and emulator-only - it only works due to an emulation error.

Ice Cap: The setup here is so that I am pushed slightly inside the wall and am standing on the pillar at the moment it gets destroyed. This puts me into a really bizarre state which we call "slope glitch", where slopes don't really function properly and their properties are carried indefinitely, even if continuing on that angle happens to send you into a wall! Also, I can't die by falling off the bottom of the stage because Ice Cap 1 is designed to loop infinitely.
Once I hit the end of Ice Cap 1, I can zip straight from there to the end of Ice Cap 2 - it's really weird, but once I'm in that hallway, I am in what the game treats internally as "act 2". To test this, hit the final checkpoint in this stage and die to the boss - when you respawn, act 2's music starts playing. This also happens in Angel Island, incidentally, though there's nothing quite this awesome you can do with that. Then all I have to do is sink into the ground and I zip to the end of act 2.

There's a lot of other bizarre happenings in this run, but they're the two I'm sure will get the most questions.

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