"Dumbocalypse" Game

One genius professor, nicknamed Brain, experimented with creating certain waves that increased the power of the brain and increased the level of intelligence. But something went wrong and his waves made people too stupid. And because of that people now can't and don't know anything at all. In the game Dumbocalypse you will have to give answers to simple questions in a fictional application. Look very carefully at the screen until the next question comes up - the answer choices are below. Choose which one is correct and press the button. No mistakes are allowed - you will have to start again. The questions change every time.

Your job is to reply people the best you can in order to keep the balance of this planet. Just be cautious.

Don't populate the earth too much
Don't make the humans go extinct
Don't make them too sad
Don't make them too happy

See how simple this was. Now go on help those poor souls and don't forget to have fun!