To cite package ‘creepyalien’ in publications use:

  Krasser R, Prevos P (2025). _creepyalien: Puzzle Game for the R
  Console_. R package version 1.0.0,
  <https://github.com/rolkra/creepyalien>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {creepyalien: Puzzle Game for the R Console},
    author = {Roland Krasser and Peter Prevos},
    year = {2025},
    note = {R package version 1.0.0},
    url = {https://github.com/rolkra/creepyalien},
  }