(Link to video)
  • Emulator Used: Bizhawk 2.8
  • Genre: platforming
  • Game version: 2.1
  • Uses password to access bonus content
Battle Kid features a password system and has bonus levels that can be accessed from it. This movie aims to complete the bonus level associated with the password LIFTLUNACY. The level was added in Version 2.0, the Japanese release for Famicom, and, as its name suggests, features Lifts, a new mechanism added in the said version. Thanks to the power of frame perfect inputs, I managed to skip a few intended uses of that.
This movie is done on Version 2.1. It is the Xbox One release while the NES rom itself is available for purchase online too.
Just one note regarding optimization. Apparently it's faster to jump on the first possible frame when trying to start moving again after standing still, including but not limited to after using a Lift.

slamo: Replaced movie with a 170 frame improvement, and judging!
slamo: There is not much information on this level out there, but the optimization looks polished. Accepting as a separate branch.
The credits call this "Special Stage #2" - I will leave it up to the publisher to decide the branch name.

despoa: Processing...

TASVideoAgent
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Yes vote!
Fortranm
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In V2.0 (2018 Japanese/English version) there is a frame delay whenever you stop rising from a jump unless you bonk the ceiling. V1.0 and V1.1 does not have this (there is no delay). I had assumed it was a stylistic decision to make it different for V2.0, but apparently this was reversed in V2.1 to the old behavior? I only suspected it when I saw that you were making short jumps in the hallway before the boss. I had no idea V2.1 was this different. Can Fortranm or anybody else tell me whether there are any other huge changes in V2.1 (physics, bosses, etc.) that I have no idea of?
Post subject: Movie published
TASVideoAgent
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This movie has been published. The posts before this message apply to the submission, and posts after this message apply to the published movie. ---- [4792] NES Battle Kid: Fortress of Peril "LIFTLUNACY" by Fortranm in 01:39.52