Case study

ReHLDS: reconstructing the Half-Life dedicated server

ReHLDS reconstructs the Half-Life dedicated server from DWARF debug information embedded in the Linux HLDS engine_i486.so for builds 6152/6153. Its replacement engine fixes reported defects and provides an extended API for mods and plugins.

Targets: Game
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06
Evidence class: C1 partial scope or analysis entry

Stars: 878
Last commit: 2026-11-06
Language: C++
License (GitHub): MIT

GitHub data as of 2026-11-10

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Evidence

Demo screenshot from the project's public documentation

Observed: Download and demo observed; the case covers part of the target software.
Scope: Partial
Checked: 2026-11-09

How evidence classes are assigned

Requirements & limits

Prerequisites: Requires a compatible pre-anniversary HLDS installation, engine version 8684 or earlier.
Prerequisites: Runtime binaries require SSE, SSE2 and SSE3.
Limits: The replacement is not binary-compatible with the original HLDS for plugins that analyze engine code.
License: Licensed under MIT.

Cite

BibTeX

@misc{rehlds-hlds-case,
  title = {{ReHLDS: reconstructing the Half-Life dedicated server}},
  howpublished = {\url{https://github.com/rehlds/ReHLDS}},
  url = {https://github.com/rehlds/ReHLDS},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/rehlds-hlds-case/}}
}

Plain text

ReHLDS: reconstructing the Half-Life dedicated server. https://github.com/rehlds/ReHLDS (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/rehlds-hlds-case/

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About this entry

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Primary sources

README.md GitHub · rehlds/ReHLDS · Revision 675e9f5