Case study

Geometry Dash: reconstructing Android game classes from ARM64 disassembly

Reconstructs portions of Geometry Dash's Android C++ game classes from ARM64 disassembly, focusing on GameObject, GJBaseGameLayer, memory layouts, area movement, effects, and object state. The repository includes class source and headers and tracks unfinished vtable, trigger, and runtime behavior.

Targets: Game
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06

Stars: 1
Last commit: 2026-02-03
Language: C++
License (GitHub): MIT

GitHub data as of 2026-11-09

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Requirements & limits

Prerequisites: ARM64 disassembly analysis tools named by the project include IDA Pro 7.7+, Ghidra, Binary Ninja, and Frida.
Limits: Complete vtable reconstruction and several effect and trigger behaviors remain unfinished.
License: MIT License.

Cite

BibTeX

@misc{geometry-dash-android-class-reconstruction-case,
  title = {{Geometry Dash: reconstructing Android game classes from ARM64 disassembly}},
  howpublished = {\url{https://github.com/apersonwhomakesstuff/GD-2.2-Android-DECOMP}},
  url = {https://github.com/apersonwhomakesstuff/GD-2.2-Android-DECOMP},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/geometry-dash-android-class-reconstruction-case/}}
}

Plain text

Geometry Dash: reconstructing Android game classes from ARM64 disassembly. https://github.com/apersonwhomakesstuff/GD-2.2-Android-DECOMP (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/geometry-dash-android-class-reconstruction-case/

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About this entry

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Primary sources

README.md GitHub · apersonwhomakesstuff/GD-2.2-Android-DECOMP · Revision 5cedfc5
LICENSE GitHub · apersonwhomakesstuff/GD-2.2-Android-DECOMP · Revision 5cedfc5