i suspect this game has attempted to some degree to distance itself from the spring engine 'just a mod' thing and become its own protect-able software
if you have allot of money you can buy EA, Australia, people to marry you, players, kidneys, goons who help people 'to understand the situation', you can pay to have laws passed, history changed, force people to jump up and down on 1 leg on Sundays..
you can even pay people to die =(
make
https://www.google.com/search?q=frog an offer.. a cool million should do it. for 1 million dollars you could remake zk in factorio