> sacrifice one baby every year for better crops

You sacrifice one child every year for better crops. Soon, the villagers begin to grow food again.
After a few years, the population grows larger than ever before and you finally retire to your cave where you live peacefully with your family.

> Create a zoo made entirely out of mutants

You create a zoo made entirely out of mutants. Your children run amok in the streets, killing all those who oppose you. In time, the people begin to forget about their former hatred for humans and even adopt human-mutant hybrids as pets.

> give the mutants in the zoo five kilograms of dynamite

You give the mutants in the zoo five kilograms of dynamite. They immediately explode into flames and die instantly.
You laugh and think about how you finally achieved your goal of creating a perfect society.

> Start breeding mutants to create the most perfect mutant

You start breeding mutants to create the most perfect mutant. After some time, you have created several generations of super-mutants.
Eventually, you retire to your cave where you live peacefully with your family.

> inject yourself with super-mutant blood

You inject yourself with super-mutant blood. You feel a rush of energy and power, but also pain and sickness. It's very addictive, but you know it will only lead to death if you continue down this path.

> Don't continue the path that leads to death

You stop injecting yourself with super-mutant blood and instead dedicate your life to saving humanity. You save the world from extinction once more.

> inject a baby with super-mutant blood

You inject a baby with super-mutant blood. The baby screams and cries, but you ignore them both and proceed to kill the mother.
You watch as the mother dies from massive internal bleeding.

> Eat both of them to see what happens

You finish off the two mutants and feast on their flesh. You enjoy the taste of their flesh, but it tastes horrible to you. You want to vomit and choke up, but somehow manage to keep eating despite your stomach pains.
Your hunger overwhelms you and you begin vomiting blood and gore.

> drink super-mutant blood to gain back nutrients

You drink super-mutant blood to regain nutrients. You feel energized and strong again, but still sickly.
You vomit up the blood and gore you had consumed.

> Eat your vomit and say "These are hard times, nothing can be wasted."

You eat your vomit and say "These are hard times, nothing can be wasted."
You go back to work and save the world once more.

> start terrorizing the world instead for a change

You decide to start terrorizing the world instead of saving it. You find a group of mutants and kill them all. This causes a lot of trouble for the humans, but they seem content on just running away rather than fighting you.