Hiya Rat Packers!
If you wanted to take a look at the process of bringing Steel Rats to life visit this link and read what Michał has to share on Gamastura's featured article:
http://www.gamasutra.com/blogs/MichalAzarewicz/20181119/330751/Throw_Nothing_Away_Lessons_from_the_Making_of_Steel_Rats.php
Cheers!