- Home: https://sourceforge.net/projects/cosp/, https://web.archive.org/web/20210213180047/https://sites.google.com/site/vascocosta/theclue
- Inspiration: The Clue!
- State: beta, inactive since 2017
- Download: https://sourceforge.net/projects/cosp/files/
- Keyword: action, adventure, clone
- Code repository: https://github.com/vcosta/derclou.git (@created 2012, @stars 22, @forks 13), http://cosp.cvs.sourceforge.net (cvs)
- Code language: C
- Code license: Custom (Der Clou! Public License)
- Code dependency: SDL
- Developer: Felipe Gerhard, Kaweh Kazemi, Lucas Schaller, Oliver Gantert, Philipp Gühring, Ronny Thiemann, saschak, Thomas Trummer, Vasco Alexandre da Silva Costa
Remake of the 1986 game They Stole a Million / The Clue!. May require original game files.
- Build system: Make