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

Submission #6487: KAGE-008's NES Felix the Cat (Dragon Co) "glitch exit" in 04:33.8

Console: Nintendo Entertainment System
Game name: Felix the Cat (Dragon Co)
Game version: unknown
ROM filename: Felix the Cat by Dragon Co (Unl) [p1][!]
Branch: glitch exit
Emulator: FCEUX 2.2.3
Movie length: 04:33.8
FrameCount: 16455
Re-record count: 549
Author's real name:
Author's nickname: KAGE-008
Submitter: KAGE-008
Submitted at: 2019-08-19 18:03:34
Text last edited at: 2019-11-02 19:25:25
Text last edited by: Maru
Download: Download (3483 bytes)
Status: decision: rejected
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Author's comments and explanations:
There are two 'Felix the Cat' games released for Famicom/NES: an official one by Hudson Soft (released in 1992) and an unlicensed one by a Chinese company named Dragon Co., with a 1998 copyright date.

This movie was done using the unlicensed version, which by the way was the base for lots of hacked versions on some Famiclones and plug-n-plays released in mainland China, also for 'The Hacker (NJ049)' by Shenzhen Nanjing Technology.

Completing this game the normal way takes around 17-18 minutes, but apparently there is an alternate way to do this in less than 5 minutes, which is the main purpose of this movie.

Game objectives

  • Emulator used: FCEUX 2.2.3
  • Main objective here is to show an alternate way to complete all levels in the unlicensed version of Felix the Cat, especially in levels 1 and 7 where you normally have to beat the boss in order to finish them. This method implies exploiting a glitch where if the player is close to go off-screen to the right, it'll autofinish the level.


How the 'glitch' method was used in the movie: basically the player requires timed jumps while moving forward, plus using the attack button while jumping in most cases. As long as it is done properly (by avoiding walls where possible), it'll place the player at a farther distance than the normal centered position, slowly reaching the right border of the screen. In the case of levels 2, 3 and 6, it also requires jumping over the horizontal-moving log until most of the front sprites are very close to the border.

Other comments

NOTE: Do not confuse this version with the official Hudson Soft one. While both are based on 'Felix the Cat' cartoon, both versions are completely different each other.

Pre-encoded video:

(Link to video)

Maru: While this is an improvement over your first submission, it is not quite up to the optimization standards that we are looking for. Your TAS contains slowdowns that could have easily been avoided to save time. For that reason, this TAS must be rejected. Better luck in the future.

Edit: For reference, you just need to jump as much as possible to get to the right of the screen. I have a test file that saves 855 frames in level 1. This can be found here: test file.

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