Case study

Kye for C64: reconstructing the puzzle game's rules in 6502 assembly

Kye for C64 ports the 1992 puzzle game to Commodore 64 in 6502 assembly. Its author inferred object-processing and magnet rules by testing the original, then implemented them alongside a parser for original Kye level files; the port documents its behavioral differences.

Targets: Game
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06
Evidence class: C2 code & docs, no demo or download

Stars: 5
Last commit: 2022-12-11
Language: Assembly
License (GitHub): GPL-3.0

GitHub data as of 2026-11-10

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Evidence

Observed: Code and documentation observed; no download method or demo found.
Checked: 2026-11-09

How evidence classes are assigned

Requirements & limits

Prerequisites: KickAssembler is required for a basic build; editing art and sound uses additional tools listed in the README.
Limits: The port limits active objects to 255 and omits the original free-tile respawn search.
License: GPL-3.0 licence.

Cite

BibTeX

@misc{kye-c64-case,
  title = {{Kye for C64: reconstructing the puzzle game's rules in 6502 assembly}},
  howpublished = {\url{https://github.com/cobbpg/kye-c64}},
  url = {https://github.com/cobbpg/kye-c64},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/kye-c64-case/}}
}

Plain text

Kye for C64: reconstructing the puzzle game's rules in 6502 assembly. https://github.com/cobbpg/kye-c64 (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/kye-c64-case/

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Primary sources

README.md GitHub · cobbpg/kye-c64 · Revision e66fa33