Submission #8314: Pixel & Tuffcracker's NES Super Mitch Bros. 3 in 16:15.26

(Link to video)
Nintendo Entertainment System
baseline
FCEUX 2.2.3
58612
60.0988138974405
39842
PowerOn
Super_Mario_Bros._3_USA
Submitted by Pixel on 6/4/2023 2:53:29 AM
Submission Comments

Hack information

This hack was created by Chipus.
Aimed for some of the most hardcore SMB3 players.
Asks for a vast knowledge of SMB3 mechanics and glitches

Basics

  • TAS aims for the fastest completion of the hack, not entertainment

Tricks

  • This section will cover the tricks used in the run

The stutter step

  • The game checks each arrow every seven frames
  • Must be at 40 speed or higher during the check
  • Mario has to be on the ground
  • Possible to hold the opposite direction briefly before the check occurs, slows down Mario

The wall jump

  • Wall jumping works because the game checks if there is a floor under Mario during a wall ejection
  • Must hit a six pixel radius between two tiles
  • Lowest speed required for Small Mario is 17 speed
  • For Big Mario the requirement of speed increases to at least 33

Corner boosting

  • Must jump on the correct frame below a wall at the edge
  • Game pushes Mario to the right by a pixel or two
  • Happens because of the game's wall ejecting system

"Tompa's pipe glitch"

  • Pipe clip to cause an early entry has similar requirements to a wall jump
I have no other knowledge about the trick

Enter walls at a corner

  • This is only possible as Big Mario
  • Hit the wall jump pixel of the highest block below the ceiling
  • Stop ducking, and you'll clip to the other side

Midair jump w/Kuribo shoe

  • Bounce off of a ledge and jump normally
  • Game treats as Mario still on the ground in some sort of way
  • Therefore he can jump

"Ninja shell"/ Shell jump

  • Tap left in midair during peak of a jump
  • Throw the shell so it is thrown behind Mario
  • Bounce off of it

Muncher pausing technique

  • Game continuously runs the timer of the munchers while paused
Best example is shown in 1-15

Level comments

1-1
Fastest method is to wall jump up and over pipe near the end.
1-4
Hammer Suit can't slide, damage was taken to avoid this issue.
1-7
Can't enter the pipe while ducking, had to break all of the bricks.
If able to be avoided, would be an improvement.
1-10
TuffCracker helped out with TASing this optimization nightmare of a level! Could not have done it without him!
1-11
Wall jumps at the end were so I could keep Big Mario for the next level.
Strategy in the next level as Big Mario saves at least three to four seconds.
1-15
Pretty difficult level because of the P-speed build, barely is possible.
Bowser's Castle
Found a really cool clip in the second room, saves roughly thirty seconds
Last fireball was thrown on a specific frame to skip the jump Bowser does when defeated, saves a second

Thanks

TuffCracker - for giving 1-10 a shot!
Tompa - for giving me the rough route of 1-1. As well as testing stuff out in 1-11, and 1-15! (Despite none of it being used in the final movie)
(Cancelled last submission from incorrect cutting of input file)

feos: Claiming for judging.
feos: Looks great! Accepting.

despoa: Processing...
Last Edited by despoa on 6/14/2023 7:39 PM
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