Tool-assisted game movies
When human skills are just not enough

Submission #6289: Aglar, Aqfaq, Ferret Warlord & Jigwally's NES Donkey Kong Jr. in 01:03.84

Console: Nintendo Entertainment System
Game name: Donkey Kong Jr.
Game version: JPN PRG0
ROM filename: Donkey Kong Jr. (J) (PRG0).nes
Emulator: FCEUX 2.2.3
Movie length: 01:03.84
FrameCount: 3837
Re-record count: 235
Author's real name:
Author's nickname: Aglar, Aqfaq, Ferret Warlord & Jigwally
Submitter: Jigwally
Submitted at: 2019-03-06 22:34:07
Text last edited at: 2019-03-21 00:35:36
Text last edited by: Spikestuff
Download: Download (1013 bytes)
Status: published
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Author's comments and explanations:

(Link to video)

This is a 539 frame improvement over the existing TAS, using several glitches present only in the original PRG0 revision of the game [3/20 EDIT: SEE NOTE]. I first submitted this using the Stage 2 glitch I discovered while comparing data between revisions, but I then found that not only was this glitch already documented in Japanese sources, but that there were several other time-saving glitches known as well:


I did lose 1 frame delaying the beginning of Stage 1 to get an enemy out of the way, but most of the input is copied directly from the previous submission.

Stage 1: Getting killed & simultaneously grabbing the end-of-level vine causes a glitch that significantly shortens the end animation.

Stage 2: Grabbing the end-of-level vine while facing right causes another glitch that essentially skips the end animation as well. (This is in part due to the platform hitbox extending too far to the right which confuses the game logic - this was fixed in the PRG1/US release)

Stage 3: Holding down while landing on a vine near the top causes you to clip through the platform above it. This is where most of the time was shaved off.

NOTE: I just discovered that this skip works in PRG1 as well. The ending animation skips definitely only work in PRG0 though.

Masterjun: Judging again!

Masterjun: Accepting to Moons as an improvement to the previous run.

Spikestuff: Publishing.

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