Here is the full list of all 20 Save Koch achievements.
Run a pointless errand.
Discover all of your options.
Become irrelevant.
Survive four days.
Provide a valiant death or an unthinkable triumph..
Exchange a husband for a luxury version.
Bail.
Discover truth.
Help two lovers meet.
Die.
Survive three days.
Survive two days.
Survive one day.
Survive five days.
Survive.
Mistreat your partner.
Be a rude douchebag.
Make a hard decision.
There was no point to keep going.
Kill two birds with one cat regiment.