Submission #3859: yuigenron's NES Spelunker in 04:28.57

Nintendo Entertainment System
baseline
(Submitted: Spelunker (J) [!].nes JPN)
FCEUX 2.2.0
16141
60.0988138974405
7900
Unknown
Submitted by yuigenron on 2/7/2013 9:44 AM
Submission Comments
This movie is a 1087 frames (18 seconds) improvement over my previous run.

Game objectives

Improvement Table

SectionFrames Saved
Level 1-31024
Level 437
Lag Reduction26
Total1087

About the game

Spelunker is a simple adventure game, but a difficult one. Much of the game's difficulty arises from the fact that the explorer cannot jump high or fall far, and therefore dies extremely easily. In Japan, this game's explorer is known as the most weakest hero in all action games. Among Internet users in Japan, the word "Spelunker" is used to mean " too weak".

Improvements

  • Change the route of Level 1 and Level 2.
  • Improve jumping from rope to rope.
  • Manipulate Ghosts for death-warp.
  • By using immortal trick, force the explorer on the up-down moving boat in Level 3.
  • Fix many mistakes in Level 4.

Tricks

Jumping up the ropes and immortal trick
If you tap A repeatedly to climb a rope or ladder quickly, the game will not reset the Y coordinate it uses to determine whether you’ve fallen to your death or not.. As a result, as long as you get the A-button timing right, you can jump off the rope and fall as far as you want as long as you don’t tumble below the starting point where you first “boarded” the rope.
"Jumping over the stones" glitch
you can jump over the stones by pressing left+right and jumping. You can use this trick only in "left to right" direction because you always jump to right by this method.
Endless speed upgrade glitch
Generally, when you take drags in red vials, you get speed upgrades until remainig time of drug effect(RAM Address 0x00A5) become 0. However, if you take second drags when remaining time is 1, you can get Endless speed upgrade. Details of this glitch is here (Japanese) http://www.spelunker.jp/okure2.htm
Death management
When you die, you are respawned to the location of the last item you picked up or last vehicle you took, or starting point of level. So, you can manipulate your location after death by avoiding items. This is abused quite heavily in this movie.

Stage by stage comments

I'll add more explanations here.
  • Level 1
  • Level 2
  • Level 3
  • Level 4

Suggested Screenshots

12071
I hope you enjoy my run !

Nahoc: Judging...
Nahoc: Updated the submission file with a 5-frame faster one...
Nahoc: Accepting as an improvement over the previous run.

Ilari: Uploading the encodes I have...
Last Edited by adelikat on 10/2/2023 1:08 PM
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