View source for SiN and SiN: Wages of Sin/Additional Resources

[http://www.gamefaqs.com/pc/39787-sin/faqs/15778 Extensive FAQ/Walkthrough by LM] - a seemingly exhaustive source for all the alternate exits/entrances, secrets and such.

[http://www.funender.com/quake/articles/strafing_theory.html Quake 3 movement guides by injx] - the same ideas apply to wall strafing, circle jumping, and even trilling in this game. As of 22.4.2016 the pages with the theory are missing but should be restored later.

[https://www.eecis.udel.edu/~portnoi/quake/quakeiicom.html Quake II console commands] - most of these function in SiN, but read the "console" section in the "tricks and glitches" page for more details.

[https://github.com/NightDive-Studio/sin-ex-game SiN Gold source code] - as released on GitHub by Night Dive in 2020.